Definitions by lyk omg its Aer!

Partyboy 

When a guy wears shorts under pants. He then rips off the pants and runs around the room, waving the pants above his head, screaming, "Party boy! Party boy!"

Marshall pulled a partyboy during english. It was so freaking hilarious until Mr. Gilman walked in.

Partyboy by lyk omg its Aer! July 2, 2007