an acronym meaning: Damn Straight Mother Fucker Shit.

Originally used by Jan Johnson while he coached pole vaulting. He uses it to compliment a good vault. It is versatile, however, and may be used after any achievement (no matter how small).

Pronunciation is just saying the letters with a successful tone.
"DUDE! I just ran 5 miles in 1 minute! D.S.M.F.S.!"
by bobbythebob December 19, 2009
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