look up any word, like pussy:
 
1.
Swammy is another word for gun. The word comes from South London.
"Swammy real close"

"Swammy shooter"
by Don Trapstar June 08, 2010
73 22
 
2.
You say this to someone when they do something incredibly uncool. It can also be said when someone gets in your face and they have bad breath.
"Dude, my mom fixed me meatloaf last night!"
"Swammy!"
by Sheila Serio September 29, 2004
22 35
 
3.
Uncool, usually in disbelief
August uttered swammy as he awoke to Phillip busting all over his grill piece.
by Chris whittman September 26, 2006
13 29