Definitions by afreakforplanes

shwam

the act of hitting someone either over the head or in the back. After you do this, you say SHWAM!! loudly.

Boy 1 hits other boy in the head with hand

Boy 2: Ow, why the hell did you do that?

Boy 1: SHWAM!

shwam by afreakforplanes March 19, 2009