Unexpectingly placing ones dick on his/her grandmother's head.
Ben: Okay Granny, close your eyes.
(Ben places dick on granny's head. It's a classic Grandma's Hat)
Granny: Is that a dick on my head?
Ben: Happy Valentines Day! Don't touch it.
Granny: What?
Ben: Okay, touch it.
by Ben McLaky January 1, 2008
Get the Grandma's Hat mug.