cari istilah yang lo mau, kaya' cunt:

1 definition by the cool breeze

 
1.
a mixture of a grundle grab and a knuckle butt fuck. it can be quite stimulating if used correctly
the wrestler used the grumpkin technique to score a reversal.
i blew my wad as soon as that filthy slut gave me a grumpkin.
dari the cool breeze Kamis, 07 September 2006