2 definitions by hazedp

Top Definition
When friends join together to drink or hang out only to inevitably end up in someone's room or on someone's laptop watching YouTube videos, YTMND links, KnowYourMeme.com, etc.
The party was going really well until someone made a Double Rainbow reference. Everyone immediately stormed my room for a YouTube Party until 3AM.
by haZeDP January 12, 2011
Acronym for "Mega Power Dump." Announce or shout this when you are in the midst of toilet warfare.

"Dude, do not go in the bathroom. Someone forgot to disarm an MPD."

"I gotta go drop an MPD right now."
by hazedp May 13, 2010

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