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To become very ill quickly or take a deleterious turn for the worse.
Dad was doing fine after his bypass until he crumped last night.
by tho3m January 09, 2010
when u pass out during a party and get a stick placed in ur butt cheeks stickin in the air
fuck last night i was so hammed i got crumped,ill never live this down
by livinlife April 12, 2008
adj. drunk.

Origen: University of Connecticut, Towers Residence Halls, circa fall 2003. A modification of crunked.

See also crumpt.
Mingione has been drinking all day and now he's crumped.
by mmm...nah July 15, 2004