cranky grandma 

A cranky grandma is when one stands against the wall and their partner does a handstand and proceeds to fart in the other person's mouth.

That guy just did a cranky grandma to my sister. I'm 'bousts to whoop his ass.

cranky grandma by goochy January 19, 2006

Cranky Grandpa 

when a guy puts his mouth over the girls vagina and she queefs directly into his mouth

I can still taste my girlfriends queef after that cranky grandpa she gave me this morning.

Cranky Grandpa by cit October 29, 2006

crank dat grandpa 

ejaculating on a girls face and sculpting it so it looks like an old mans face

"yeeeee i crank dat grandpa!"

crank dat grandpa by secret1234567767878787878 November 2, 2007