to hit something, or be hit with something.
Ashley: dude you just shwammed me in the chin with a bottle.
1. verb - take a shit
2. noun - a shit
1. Ben - I gotta take a shwam again
2. Me - You shwam all the damn time
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!
Indication that you've just been owned.
Oh Shwam son, you want some ice with that burn????
A sex move, whenever you blow your load in someone's face or frontal area unexpectedly, you yell SHWAM! at the top of your lungs. Then tell them to clean up.
Girl: almost done?
boy: SHWAM!
A dope American boy who pulls all the bitches. He has a cool ass dog and gets lit anywhere
Shwam got a bj from some random hottie at a Taco Bell parking lot