Fanny Granny

(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. 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.

by IKnowItAllSucka August 5, 2019

Your Big Fanny Granny

Term used by 'Diary of a Wimpy Kid' as a 'your mom' joke.

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!

by middle_school_'lOsEr' December 31, 2010

granny fannying

Seeking out mature women for sexual adventures

Are you coming to the tea dance tonight Jim,

Yep I'm up for some granny fannying

by mitch00uk April 3, 2015

Granny fanny

Granny Fanny old lady thinks shes smoking hot.

A old woman thinking she looks smoking hot at 60,but is old and tired and looks like a granny fanny.

by sallyport August 11, 2010

granny fanny

The ost smelliest horriblist thing ever in the world. it has the smell of 80,000 corpses and looks like a giant squid giving head.

" ohh my god ur granny fanny is tickly"
"eeuuuggghhh dude"
"does that thing have a moustache"

by Lee April 6, 2005

granny fanny

When a smokin hot chick has a sub-par ass.

Jerry "Man look at that dime!!"
Jose "Are you Fuckin Crazy?! She's got a granny fanny"
Milt "Who cares, she's a brown bagger"
Jerry "Amen"

by pro2aria May 19, 2007

Granny Fanny

Panty lines resulting from wearing fullsize panties beneath tight workout clothing such as yoga pants or spandex shorts

Checkout the Granny Fanny on that chick in the yoga class

by vitesse04 June 27, 2018