When you slip your balls sack out of your pants and give your friends a look at her wrinkled tongue.
Anyone wanna see "Grandmas Tongue"?
by J Barracho March 07, 2012
When you pull the skin at the bottom of your nutsack and cover up your cock and balls at the same time to reveal grandmas wrinkled looking tongue
I showed Brian my grandma's tongue and it scared him.
by brian wiseman December 02, 2003