Jackfanny 

someone who is dumber than a jackass but smarter than a box of rocks
-dipshit
-wanker
-flakey moron
-nitwit

Watch that jackfanny blow leaves into the neighbor's yard.

As usual, that jackfanny has no clue what the fuck he's doing.

Jackfanny by pink petunia June 12, 2011

jackiann 

Big booty girl

Dang is that jackiann she has a big booty

jackiann by pouseydestroyer101 June 3, 2020

Backfanny 

The backfanny is the slot that forms in the middle of an overweight person's back when they wear clothes that are too tight for them. It is called this because it resembles the vagina , which is also known in the UK as a " fanny " .

My Auntie Nellie is sixty five so naturally she's carrying a few pounds more than she did in her prime . How do I tell her that she sports a backfanny when she squeezes herself into that little yellow Summer dress ?

Backfanny by Dr Elephantus January 4, 2011