Top Definition
When a well endowed man is giving anal sex to a woman and she orgasms, losing control of her bowels and spewing "stew"-like poo.
Damn, I had to take another shower after I gave that bitch a Fat Stewie last night!
by Tina/Kevin October 01, 2007
6 Words related to Fat Stewie

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.