Vomiting

Vomiting, also known as emesis, throwing up, and puking, among other terms, is the involuntary, forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose.

Empath: The Luckiest Smurf stories
Very few things are known to make Smurfs vomit in the EMPATH: The Luckiest Smurf story series. Jokey, however, likes to make fake vomit and expel it upon his fellow Smurfs in order to make them vomit for a laugh.