blow one's lunch

blow (one's) lunch

slang To vomit. I felt like I was going to blow my lunch from seasickness out on that boat.
See also: blow, lunch
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

blow (one’s) lunch

and lose one’s lunch
tv. to empty one’s stomach; to vomit. I almost lost my lunch, I ran so hard. I blew my lunch just watching her run.
See also: blow, lunch
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.