to leave in a hurry.
"Crap, there's my ex. I'm going to have to crunch out before this gets nasty."
by mic dundee June 23, 2007
1 more definition
To creep out on someone, derived from the infamous sketchy rave character Captain Crunch
Ew, that creep with the one-eyed stare is starting to crunch out on all the young girls, trying to give them all free hugs.
by 12er McLush April 12, 2011