air (one's) paunch(redirected from airing their paunches)
air (one's) paunch
slang To vomit. When I had the flu, I spent most of the time airing my paunch.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
air one's paunch
Sl. to vomit. He got so nauseous that he spent much of the night airing his paunch.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.