toss one's 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

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.
See also: cooky, toss