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.
toss one's cookies
Sl. to vomit. Don't run too fast after you eat or you'll toss your cookies. Oh, I feel terrible. I think I'm going to toss my cookies.
toss one's cookies
Vomit, as in A roller-coaster ride may make her toss her cookies. This slangy euphemism dates from the first half of the 1900s.
toss your cookies
vomit. North American informal toss (one's) cookies
To vomit.