R.S.A.

R.S.A. is an abbreviation for Rancid Skunk Ass, May be hard to fit into the average sentence, but RSA is the extreme of disgusting.
Daaaamn, that flat beer is fuckin RSA!
by Austin April 19, 2003
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R.S.A.

Richard's - Saving - Awesomeness

a not well documented phenomenon which has been observed on the island of Jamaica. RSA is known to reduce damages by hurricanes which is seen from evidence from hurricanes Ivan, Dennis, Emily and most recently Gustav
Unbeliever :omgwtf teh hurrcane just swerved away from us gigiddy gigiddy gooo

Believer: yeh R.S.A. @ work b1tch!!!
by ArCReid October 18, 2008
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