What is Madball?
1.
An improvised street weapon consisting of a billiard ball tied into the toe-end of a tube sock. The implement is swung, generally at high speeds, in such a fashion as to severely injure the victim.
Dude tried to snag my wallet, so I busted him upside the head with my trusty madball. Now he's whistling Dixie through the space where his front teeth used to be.
Also: Sean Penn used a variation of a madball in the classic 1983 prison flick "Bad Boys," where he puts a soda can in a pillow case and uses it to beat the shit out of Clancy Brown.
2.
A hardcore punk band formed in 1988. The name derives from the weapon, which used to be a common sight at hardcore shows untill venues buffed up security. The current lineup is freddy cricien on vocals(who also happens to be the half brother of roger miret from agnostic front), hoya on bass, mits on guitar, and rigg ross on drums.
yo bro you going to the madball show tonight?
nah man i dont wanna get fucked up in the pit!
See
3.
n. A person with a severe physical deformity of the face. Derived from Madballs toys of the 1980s, which were all ball-shaped monsters with bizarre faces.
Did you see Tommy since he got his face melted in that car wreck? Such a madball!
4.
Nickname for the sailor who burnt down the Gusboat (U.S.S. Conyngham) in May of 1990.
Madball gundecked the logs and burnt down the Gusboat.