When a guy grabs part of his ballsack (without holding one of his balls). You know, the wrinkly part with a couple of random hairs, it looks like a grandma's tounge!
' JonGee grabbed part of his ballsack and held it in his hand and said "HEY INGRID! GRANDMA TOUNGE!" '
by JonGee June 27, 2006
Get the grandma toungemug.