Definitions by pink petunia

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