Definitions by THE.FAT.BITCH.MF.

JOE MAMA FAT 

joe mama fat is used as an insult when you feel bad about calling someone gay lol.

Person 1: "JOE MAMA FAT LOL"
Person 2: "... *CRIES*"

JOE MAMA FAT by THE.FAT.BITCH.MF. March 15, 2021