What would be some funny meanings for BFF?

Be firm forever
Best funny face
Bring five friends

 

Beer, frolicking and and fun
Bold, far out and freaky
Bed for four
Baked finger foods
Beverage fusion fraternity 
Barney Fife fuming 
BoyFriend Franchise
Bent, fondled and forgotten 
Broccoli-flavored fritters 
Blue Fuchsia Federation 
Billie, Fredericka, and Francine
Biology of fauna and flora
Boast, finagle, fabricate
Bird feathers and feet
Bear, fawn and fowl
British, Finnish and French
Buyback for forearms
Biceps, face and fingers
Best Filipino fondue 
Been fired forever
BMW-Fiat-Ford
Battleships, frigates and freighters
Bemoan, fuss and fidget
~

Someone's an overachiever.

Bold, fresh & frisky

Balls for fun

Big fat frog

Big flop Ford

Bull frog flip

Battle field fun

British fleet frigate

Bum from Florida

Best f**king friend