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!

by LeafyFan1 November 17, 2023

9 mm

The size of a widely used bullet, mainly in pistols.

Don't make me whip out muh 9 and bust a cap in yo ass!

by Octomonkey December 25, 2003

9 mm

A size of a bullet, also an alias for a gat w/ a 9mm.

9 milli-meteh up under the beater

by HeAt May 19, 2003

9 mm

A size of bullet widely used in pistols.

Muda fucka, ima bust out my 9 mm and cap you ass, foo

by Pierog March 1, 2003