What is Flabknob?
1: cock that can never get hard
2: small, flabby boobs made of just skin
Jess: I dumped him cos he had a flabknob
Sara: He said he left you cos you have flabknobs
Dave: LOL GUSY LUK @ MI FLABKNOB!
See boobs, cock, nipple, breast, titties, tits, balls, wang, flabknob