WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. someone who plays practical jokes on others
Word Usage
"Stanczyk, a married housewife from Rockaway Beach, was walking her terrier, Psotka - Polish for "prankster" - when she wound up in a confrontation with two uniformed officers from the 100th Precinct, Shaun Grossweiler and Richard DeMartino."