note: The band Yellowcard gets its name from party fouling. You get a 'yellowcard' like in soccer if you party foul.
-Getting too drunk and upchucking on your very expensive brand new Chinese rug.
-Killing the host's dog.
Often when someone spills or breaks or drops something at a party (often resulting in a mess or general spectacle), or when someone does something embarassing or dumb.
Usually accompanied by someone actually yelling, "Party Foul!" while everyone else laughs because they're drunk.
Nick: PARTY FOUL!
2. To spill an alcoholic drink.
2. "Shit, you got that all over me. Party foul."
<EVERYONE> OHHHHH, PARTY FOULLLLLLLL!!