party foul(redirected from a party foul)
A jocular term for behavior that is inappropriate, irritating, or unacceptable at a party or other social event. Stop it! Taking handfuls of hors d'oeuvres is definitely a party foul. I can't believe I just spilled wine on the carpet—total party foul!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.