1. The phrase, in which, you tell someone to chill.
2. In the ancientlanguage 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!
Abbreviation of sweet as, new zealand slang used either as a positive response, ie yes, no worries, no problem; or a description meaning great, all good.
(pronounced swalls) conjunction of the words "sweaty" and "balls" hence sw'alls
meaning; the unfortunate realization that after working your ass off for 12 hours in an 80 degree room with no air conditioning that your balls became so sweaty that you developed a rash, and because of that rash you walk kinda funny.