(Noun)
1. A grandma who gets a little too touchy on her husband's booty.
2. A grandma who collects fanny packs and uses them to wipe her butt.
3. A grandma who is mean and does not accept your butt jokes.
1. A grandma who gets a little too touchy on her husband's booty.
2. A grandma who collects fanny packs and uses them to wipe her butt.
3. A grandma who is mean and does not accept your butt jokes.
1. Stop being a fanny granny and leave grandpa alone!
2. My fanny granny did not let me have a fanny pack, I guess I see why. They smell of butt.
3. Don't be a fanny granny. My butt joke was actually funny.
2. My fanny granny did not let me have a fanny pack, I guess I see why. They smell of butt.
3. Don't be a fanny granny. My butt joke was actually funny.
by IKnowItAllSucka August 5, 2019
When a sick desperate bastard sleeps with someone's grandmother. This is usually done in the dark in the back of the Bingo hall.
Chris was so desperate he did the Slamming Granny in the Fanny to Mike's Grandmother at Tuesday night Bingo.
by Papa Smurf blue baller June 12, 2017
Substitute Teacher: Greg, can you answer this problem?
Greg: Your Mama!
Substitute Teacher: Excuse Me?
Greg: Your Big Fanny Granny!
Substitute Teacher: Well I hardly think that's -
Greg: Your Slaphappy Grandpappy!
Greg: Your Mama!
Substitute Teacher: Excuse Me?
Greg: Your Big Fanny Granny!
Substitute Teacher: Well I hardly think that's -
Greg: Your Slaphappy Grandpappy!
by middle_school_'lOsEr' December 31, 2010
Granny Fanny is an insult meaning you are old and disgusting like Granny Fanny. Only say it to your WORST ENEMY.
by Tanner Danvers December 16, 2021
by Bigcockbradders January 15, 2020