Box Party
The setup of a 26 foot uhaul truck equipped with mobile DJ, wet bar, and dance floor as a contingency plan to move your celebration in the unfortunate event the cops show up to break up your event.
PERSON A: "DAMN, did you hear the cops broke up Vinces house party?", PERSON B: "Nah, he should have a box party, then his shit would have still been rockin!"