A Best Friend Forever WithOut a Penis a best friend who is a female to a male who also only wants to be best friends the two friends act as brother and sister only closer in a way.the two tell each other things that noone else knows about each other.
guy1:dude are guys dating

guy2: no shes my bffwop

guy1:would you hit that?

guy2: no!! thats bffwop
by bffwap January 5, 2010
Get the BFFWOP mug.