Definitions by BLacKSponge

Midget arm 

A Big Dick,
If you have a large dick yo can refer to it as a midget arm

From Dorrough's "Hood Bitch Fetish" : Ima get it goin", Get it goin, so i can go to the spot and hit her with this Midget Arm!

Midget arm by BLacKSponge March 15, 2010