Top Definition
1. The phrase, in which, you tell someone to chill.
2. In the ancient language of Cussing-out-teachers-esian , this means 'up yours'!
1. Hank: DAMMIT! DAMMIT! DAMMIT! I got a frickin' C- on my SAT!
Gnat: Sw'o, bro?
Hank: Thanks, Gnat. I feel much better, although I probably won't get into a good college and the rest of my life will be ruined!
2. Teacher: Hank, you're getting a detention for setting Bob's pants on fire !
Hank: Rrrgh... Sw'o, Bro!
by superhenrygrantworld March 10, 2009

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