1 definition by lyk omg its Aer!

Top Definition
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.
by lyk omg its Aer! June 07, 2007

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