slang To vomit, especially violently or profusely. A pronoun is often used between "woof" and "cookies." With the way that boat was rocking back and forth, I felt like I was going to woof cookies over the side at any minute. My roommate came back from his birthday celebrations and promptly started woofing his cookies into the trash can.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
tv. to vomit. Waldo had to woof cookies in the bushes.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.