1)Another way to say "fuck your momma"
2)A way to stop someone from saying something when you dont want to hear it
1) Person 1: Man, your girl has a fat ass!
Person 2: Hey! Fudge your momma

2) Person 1: Damn, shawty is phat! You could neva tap da-
Person 2: Fudge yo mama!
by D.Phanton November 18, 2007