ur grandma have penis

Alongside the likes of "ur mom gay" and "ur dad lesbian", "ur grandma have penis" is a phrase that can be used to absolutely D E C I M A T E someone in an argument

Gay kid 1: I fucking hate you and ur dad lesbian
Retarded child numero dos: lol ur grandma have penis
gay kid 1: SNHPye8U(JWDOMINHUB*YH*_UE)(IJNWHUSD&C)(IJHOISHU)IUHEF)*YDSA*YHF)syh0IEUFH