Someone who frequently commits party fouls, and as a result is not often invited to parties.
Dude 1: Hey man did you hear about the party tonight?

Dude 2: Yeah bro should we invite donald?

Dude 1: Hell nah he spilled beer the last three parties we went to, he's a full blown party foulist!
by treythetruth13 October 3, 2010
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