The face that one makes when feeling completely embarrassed, otherwise known as crusty. This face differs from salty face because when hears salty face, you look at whomever said those horrible words with a look of misunderstanding and beat the crap out of them. When one hears crusty face, they immediately start crying and rocking back and forth in the fetal position because you were humiliated so badly.
Megan: Hey you guys... Did you see that really pretty girl totally shoot down that loser?
Jackie: Yeah.
Abbey: Totally
All three: CRUSTY FACE!
Jackie: Yeah.
Abbey: Totally
All three: CRUSTY FACE!
by Jayy.M July 31, 2009

by CRUSTY CORNDOG September 29, 2017

A flaky substance that comes out of the butt after u don't wash it for a month.
Good on spaghetti also known as parmesan cheese.
Good on spaghetti also known as parmesan cheese.
Those are some juicy butt crusties u have there.
by Lance_is_my_fucking_bae_210 March 16, 2017

When someone is scratching an itch and a scab they were often unaware of (commonly near the anal sphincter), and the person then sniffs the scab before throwing it away or, more likely, eating it.
by ActualFoghorn March 14, 2019

by Pears February 5, 2015

by Blob Joe May 21, 2011

The act of an individual ejaculating on another individual's rectum, followed by a drying period of no less than 12 hours, resulting in ones rectum being temporarily closed.
Jane: I woke up this morning after a rough night of drinking and sex. I had to shit and couldn't manage to get anything out.
Mary: You must have received a crusty shutdown.
Jane: Damn, I know I should have swallowed them ropes.
Mary: You must have received a crusty shutdown.
Jane: Damn, I know I should have swallowed them ropes.
by ropeslinger August 12, 2013
