This post uses the expression:
These days forcing everything in 3D is no particular advantage. Graphics card can whale on 2D problems just as efficiently as 3D ones. It's just a question of writing some different shader programs.
What does it mean? And is it a phrasal verb ("to whale on [sth]" like "to keep on going"), or is the preposition simply connecting the verb normally ("to whale [on sth]" like "to stand on the floor")?
Best Answer
Wiktionary lists them as alternate forms of each other.
Merriam Webster's third definition of "whale" as a verb is:
While it offers no comparable definition of "wail".
Etymonline suggests a connection between "whale", meaning
and the noun form of "wale":
In turn, this may be related to the noun weal:
So, "to whale on", meaning "to lash", definitely has credence.
Dictionary.com offers only this about "wail on (someone)":
Again, ambiguity exists as to whale/wail on.
An ngram search shows that "whale on" occurs more frequently than "wail on" and "wale on", respectively.
Then there's this:
In answer to your question, both "whale" and the phrasal verb "whale on" have the meaning of "lash viciously". "Wail on", as a phrasal verb exists, but is less frequent than "whale on" and may get you berated.