Top Definition
After having anal sex with an old woman, she shits on your dick and then sucks it off. (Not to be confused with the Moist Keith when its a young woman.)
Eric: Dude, your mom's breath smells like shit!

Thomas: Yeah I know, she just gave my dad a Crusty Keith.
by hobojoe017 June 08, 2011
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.