9mm Defeater

1: Referring to a firearm (often a pistol) firing 9mm caliber bullets

2. (Informal) Slang used to describe a small penis.

1:
The regularly adressed hoodlum fella of african-american origin, threatened another man with his 9mm Defeater

2:

A: Hey B! Did you see that guy the other day robbing a bank with his 9mm defeater?
B: If i were him I'd use a pistol
A: Yeah, but it was a sperm bank
B: I bet he wasn't qualified to donate!