Learn English – Can “barge in” be used as an informal and quirky way of saying “come in” and “come on in”

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I am looking for a specific US expression. An informal way of saying "all right, come on in" to a very good friend in a situations as follows:

  1. The (drunk) friend who is barging into my suit suite unexpectedly, and asks me to let him enter.
  2. The friend who is calling me around midnight to ask me to let him stay the night in my house.

Can I use "Barge in!" as an cool informal way of saying "come in"?

Example:

'Hi buddy, the girlfriend has kicked me out. May I stay at your place here tonight?'

'Hm… Well, you party bummer, barge in!'

Update 1

I'am looking for the exact English equivalent of Russian "заваливайся" (barge in), "вваливайся" (flock in), "проходи" (move on) or even more specifically "ладно, заваливайся", "ладно, проходи". I mean more rough, corky and informal equivalent of "come on in!", "move on!"…

Update 2

Thanks for your comments! I see the expressions like "get your … in" and "get your … over" can be used to reproduce the required meaning.

Best Answer

The more informal way of saying "Come in" is "Come on in". In my experience, there is a clear distinction in when to use these terms. "Come on in" implies that you know the person who is wanting to come in and that there is some familiarity with them, or you are trying to create an air of familiarity. In a similar way, on the game show "The Price is Right", the host says "Come on down!" not "Come down here" or "Come here".

It may not make sense because there is only one word different, but usage defines meaning. Consider to the difference in "Okay" which means "Yes" and "That's okay" which means "No", at least to Americans.

As others have said "Barge in" could be used, but in addition to meaning "Come in", it would imply that the person was not particularly welcome or had a habit of intruding. However, "Barge on in" would lessen that by adding the meaning that you didn't mind the intrusion.