blow one's cookies
blow (one's) cookies
slang To vomit. I felt like I was going to blow my cookies from seasickness out on that boat.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
blow (one’s) cookies
tv. to empty one’s stomach; to vomit. Okay, if any of you guys gotta blow your cookies or something, do it here, not inside!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.