When a guy boasts a lot about the size of his penis, but is actually very boring and cannot last long in bed. He also tries to to sleep with as many women as possible to hide the fact that the quality of sex is really bad.
Well now I know that he's just a Big Useless Dick. Next!
Flap of skin removed during a bris
That guy is an useless dick flap, too bum to accomplish anything
a bristolian slang word for a imbecile, usually consideredthe most idiotic of all people in a community.
youra dumass, useless dick.