To masterbate. Taken from the popular
sketch comedy show Cheppelle's Show. The
sketch refered to involved a man's Granny walking in on him masterbating in the bathroom.
Can be used as an exclamation to warn someone that you're
spanking the monkey, or used as a verb.
Person 1: I'm hungry. I wonder what's in the kitchen...
Person 2:
Granny don't!
Person 1: Where's
Phillip?
Person 2:
In the basement, probably having a "
granny don't!"
