A person who usually prefers to have sexual intercourse with way older female, especially the wrinkled, cunt-dry ones.
A: "That eighty-five year old granny gave me a nice BJ last night."
B: "Oh my gosh, you're a friggin' granny slammer!"
B: "Oh my gosh, you're a friggin' granny slammer!"
by Liberty Valence, PhD April 23, 2009
Get the granny slammermug. by meowlnir October 6, 2016
Get the Tranny Grannymug. by allofgodschildren October 4, 2016
Get the grab-a-grannymug. by Surg June 3, 2006
Get the Granny Trannymug. Simon had heard of Granny's Oysters but looking down at his grandmother in the bath revealed the true horror of this labial nightmare!
by Ivor Lar-Jed June 29, 2006
Get the granny's oystersmug. by ekdghru March 3, 2015
Get the franny the grannymug. 