1 definition by Greg Mow-Chow
The result of having anal intercourse on a regular basis with a woman with an excess amount of pubic hair in the area of the gooch,which results in fecal matter becomeing lodged in the hair which, resembles a crab.
I railed Jessica in the butt last night and this morning when i went back for more, she had a bad case of mud crabs.
by Greg Mow-Chow February 1, 2007