2 definitions by Jenny Foster.

Slang for the term "female boner". A female boner is theoretical, and is a description for high sexual arousement in a woman. Can also be adopted for excitement, not of a sexual origin.
1. Oh my God! It's Justin Timberlake! fb!
2. I was fb-ing when I recieved the best christmas present ever.
by Jenny Foster. August 8, 2003
The term referring to a lady, or man for that matter, who has volumtious, firm and generally well rounded breasts.
by Jenny Foster. August 8, 2003