Top definition
a baby that subsides within the human male's rectum. Caused by unprotected anal sex with other men. Results in premature ejaculation, a permanent erection, and a craving 4 delicious pastries. Results in loss of blood and loosened anal sphincter.
Tim Scott has an ass fetus
by Steve O February 11, 2004
Get the mug
Get a ass fetus mug for your Facebook friend Paul.