I've heard speakers using that very expression ("Says you") in response to a compliment, which makes it closer to saying "Look who is talking" or "You're the one who deserves it". A quick search, though, only led me to the meaning "that's only your opinion" in an expression of disagreement or denial.
Can I use “Says you!” In reply to a compliment or an insult
expressionsmeaning-in-context
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Urban Dictionary said
I call him the devil because he makes me wanna sin...
That Handsome devil sure knows how to make me mad yet, glad. I wanna push him off a cliff but then jump to save him.
Yahoo Answers said
... A good-looking cheeky fellow.
and
Handsome guy ... goodlooking Satan
The Wordreference thread confuses the issue.
The first two say pretty much the same. The guy is handsome; so handsome that other men acknowledge it. The Devil part of the expression, when said by a man, can indicate some envy of this guy.
He is so handsome that women find him to be an instant temptation. If they are already involved in another relationship, then they may see him as an invitation to sin. Some can find him hard to resist.
But he also knows all that. So he flaunts it, and perhaps teases women with it, enjoying the effect on others. Some people might call that behavior cheeky.
Hope that helps.
The trail of dees goes back to the mid-1800s, as follows.
First, OED Online defines "puredee, adj. (and adv.)" (with forms pure-D, pure-d, pure dee, puredee, pure-dee, puredy, pure-T, all from the 1900s) as
U.S. regional (chiefly south and south Midland).
Thoroughgoing, out-and-out, complete, real. Also as adv.: very, totally, completely.["puredee, adj. (and adv.)". OED Online. September 2016. Oxford University Press (accessed November 03, 2016).]
The earliest attestation in the OED is from 1938, in the form 'pure D':
Mississippi: Guide to Magnolia State (Federal Writers' Project) 15 It's the pure D truth.
The definition given by the OED agrees with what I uncovered of the senses in use; 'pure D' is an intensifier, and is usually synonymous with 'thoroughgoing'.
The earliest use I uncovered was in the Waco Morning News (Waco, Texas) of 13 Jun 1912. There, the form is 'pure-dee':
"Captain Bill," as he is called by his old friends, is a pure-dee Waco booster.
Going forward in time, to bridge the gap between 1912 and 1938 (the date of the first OED attestation), the form 'pure D' was employed in a classified ad in The Houston Post (Houston, Texas) of 8 Nov 1912 (and other days):
640 ACRES pure D black land prairie, 8 miles from Liberty on shell road...
The next instance I uncovered, in the form 'pure-dee', appeared in the The Houston Post of 2 Feb 1915:
Next, a 2 Jan 1916 instance from an article in the Waco Morning News about a stage appearance that followed the showing of two motion pictures:
In The Times of Shreveport, Louisiana, 2 Mar 1916, the first appearance I uncovered outside of Texas is still associated with Texas:
In The Houston Post of 17 Apr 1916, an ad encouraging investors moralizes about thoroughgoing laziness:
A column-length ad for another "black land" farm uses 'pure dee' in the 17 Jan 1923 Courier-Gazette out of McKinney, Texas. The seven-year gap between this instance and the previous is likely an artifact of the limited resources I am able to deploy:
Having more or less covered the ground between 1912 and the 1938-2005 attestations provided by the OED, I looked for evidence that would explain what the devil the 'D' stood for. The ever-helpful OED suggested the etymology of 'puredee' was from compounding:
PURE adj. + D n. (see sense 3 at that entry). Compare DEE v.
(op. cit.)
Sense 3 of 'D' was given as
Used euphemistically for damn (often printed d——), etc. Cf. DEE v.
["D, n.". OED Online. September 2016. Oxford University Press (accessed November 03, 2016).]
Attestations for that sense from 1866 and 1877 are given. The verb 'dee', cross-referenced at both 'puredee' and 'D', is defined as
a. Pronunciation of d——, euphemistic for damn (see D n. 3); usually in pa. pple. deed (also deedeed) = d——d, damned.
....
b. as adj. = DAMNED adj. 4a.["dee, v.". OED Online. September 2016. Oxford University Press (accessed November 03, 2016).]
Attestations from around 1845 to 1889 are given.
I reasoned from the suggestions that, if the 'dee' of 'puredee' was indeed a shortening of a euphemism for 'damned', the forms 'pure damned', 'pure damn', 'pure d——' or 'pure d——d' ought to be in evidence. For the latter two, I was able to find some such evidence, first in a 4 Jan 1906 edition of The Weekly Gazette out of Colorado Springs, Colorado,
and second in a 29 Feb 1912 edition of The Twin-City Daily Sentinel out of Winston-Salem, North Carolina,
While these instances do suggest that the basic hypothesis holds water, their appearance in geographically distant areas (Colorado and North Carolina) from the areas where 'puredee' was in evidence (Texas and Louisiana) made for some hesitation about accepting the hypothesis as entirely borne out.
Therefore, I searched for other evidence that the 'D' in 'puredee' was a euphemistic shortening of 'damn' or 'damned'. It seemed such evidence might be supplied by instances of 'dee' or 'deedeed' (or 'deed', but the needle-in-a-haystack nature of such a search discouraged it before I began) where the intent was clearly to represent 'damned'. Such instances, as it turned out, were not in short supply (relatively speaking); they were also chronologically precedent to 'puredee'.
Here are some illustrative instances, ordered from earliest to latest.
From The Indianapolis News, Indiana, 16 Nov 1871:
From the Burlington Weekly Free Press, Vermont, 15 Aug 1873:
From The Times, Philadelphia, Pennsylvania, 11 Jul 1878:
From The Wheeling Intelligencer, West Virginia, 22 Jul 1878:
From The Salt Lake Herald, Utah, 25 Nov 1894:
From The Brooklyn Daily Eagle, New York, 4 Sep 1905:
While none of the instances are from Texas, they do serve to illustrate that 'deedeed' (at least, if not 'dee' or 'deed'), in the sense of 'damned' was in common and widespread use for many years prior to the appearance of 'puredee'.
Further, I reasoned that if the 'dee' in 'puredee' was a euphemistic representation of 'damned', another common collocation of the period, 'double-damned' should be instanced. This hypothesis also bore fruit.
From The Tennessean, 20 Mar 1867:
From the Chicago Tribune, Illinois, 30 Mar 1878:
From The Indiana Democrat, Pennsylvania, 24 Nov 1887:
From The Times-Picayune, New Orleans, Louisiana, 25 Dec 1887:
From The State Chronicle, Raleigh, North Carolina, 21 Mar 1893:
From the San Francisco Chronicle, California, 5 Feb 1913:
Of the evidence presented, I suppose that the instances of 'pure d——' (1906) and 'pure d——d' (1912) are the smoking gun connecting the 'dee' of 'puredee' with 'damned', while the instances of 'deedeed', 'double-deed', 'double-dee-dash', and 'double dee-dashed' are supplemental.
For your first two questions, then, I have these answers, supported by the evidence given in the foregoing:
'Pure D' in the forms given by the OED entry for 'puredee' originated in Texas...or thereabouts...sometime before 1912.
The 'D' stands for 'damn' or 'damned'.
For your question 3, my research is ongoing, but so far the research indicates the term is in widespread if not exactly common use. Re-runs of a television show called "The A-Team: Pure-Dee Poison" contribute significantly to contemporary use, but other instances continue. In the 2000s for example, and discounting the television show re-run mentions, instances appear in Kentucky, Louisiana, Pennsylvania, Mississippi, Indiana, and Nevada. A preponderance of such instances appear in Louisiana.
Best Answer
If you’re Australian then yes definitely, other regions maybe not. ‘Says you!’ In response to a compliment or insult is effectively reversing the insult/compliment, and is similar to saying “that’s rich coming from you” but without the inherent negativity.
However, “says you!” is interpreted in different regions to mean “so says you” or “you say that (but I don’t)”. So be careful where you use this because the meaning appears to be highly regional.