The sorority girl's term for being lazy while wearing sweats.
I'm crusting on the couch today.
by whitleann45 January 08, 2011
3 more definitions
Any unwanted leavings of any kind.
Are you going to eat your pizza crustings, buddy?
by Ghostington February 16, 2014
when you drink so much you get a alchohol crust around your mouth
wow man i must have been hammered last night, i woke up with a crusting
by trunkface January 04, 2006
When a girl grinds her crack on your leg, and dried dookie gets on your leg.
Sam and his girl were crusting hardcore last night.
by BigNate55 May 14, 2010