The Godzilla grundle is usually a place on a Godzilla SH Monsterarts figure between the thighs, typically used by JobbytheHong.
by AltonFBF January 1, 2024

by The Return of Light Joker November 18, 2011

Bruce was getting an old fashioned HJ and Stacy wanted to speed things up and gave him the old Grundle Knuckle to help him cum more.
by DanielleWhittier May 5, 2023

by booya December 20, 2004

The grundle grande is when you run your hand from your grundle to your balls then proceed to slap someone in the face
by Hdockboy May 30, 2023

by Well in doubt black man May 13, 2018

Protection of the patch of skin between the ballsack and butthole (grundle) by way of plastic or rubber inserts. Often attacked by hands or genetalia.
by GroupB May 5, 2014
