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 Youlookinatmybird June 5, 2017

by sandman236 July 5, 2018

The seats on the bus that are oriented in the direction of travel and elevated above the seats in front. They are favoured by older ladies and do not feature a handlebar. So, in the event of a head-on collision, the passenger will be propelled in the air and towards the front of the bus, hence the name.
"Hey dude, wanna sit next to me in this 4-seat?"
"Nah man, I've got my eyes set on the granny cannon."
"Nah man, I've got my eyes set on the granny cannon."
by SnuSnuSnu March 31, 2020

Granny’s are always so sweet and kind they will never get you in trouble and will just tell you to not do it again.
My granny is so sweet
by Anime rocks22 June 29, 2021

by Lanabanana69 September 8, 2017

by Crockett61 June 18, 2023
