While having sex, You shit into or on a girls vagina and you then shove the shit down her vagina with your penis.
by Link6456 August 01, 2016
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
Retarded child numero dos: lol ur grandma have penis
gay kid 1: SNHPye8U(JWDOMINHUB*YH*_UE)(IJNWHUSD&C)(IJHOISHU)IUHEF)*YDSA*YHF)syh0IEUFH
by Link6456 March 14, 2018