1 definition by J. Kam

(n.) Slang term for certain types of Adidas casual athletic shoes, so-named because of the clamshell-shaped rubber topsole surrounding the toe end of the shoe. A popular shoe among breakdancers and b-boys.
Did you see Josh's new clamshells? He's gonna break them in while practicing his c-walk.
by J. Kam September 16, 2007