Top Definition
the act of being blacked out drunk on prom and you can't get your suspenders off and poop your pants while your in the bathroom. Resulting in you waking up in a grassy yard outside with the owner of the house.
"dude you were so blacked out last night you promecated"

"fuck my life, i shit myself on prom"
by catandthehat February 26, 2010
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