toss your cookies

toss (one's) cookies

slang To vomit, especially violently or in great amount. Primarily heard in US. With the way that boat was rocking back and forth, I felt like I was going to toss my cookies over the side at any minute.
See also: cooky, toss
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

toss your cookies

vomit. North American informal
See also: cooky, toss
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
If that doesn't make you want to toss your cookies, nothing will.
Dear Dummy: I think you're going to have to toss your cookies, so to speak.
But remember, if you toss your cookies in the simulator, it could be lights out for your launch.