when someone had anal sex with another and ejaculates and leaves it in there until it gets nice and crusty around the anus.
man i gave your mom a crusty baldwin
by c baldwin June 01, 2007
when someone is having anal sex and the person giving to the partner ejaculates and leaves the seaman there until it gets crusty in the anus.
man i gave sheila a crusty baldwin last night
by c baldwin May 31, 2007