Definitions by MC NickA's Proxy

FDS 

Stands for "For Damn Sure." It means agreeing with something/someone to an intense exaggerated degree. Primarily used at the end of a sentence to accentuate the claim. May also be used as a response to highly agree with the claims of another person.

"That girl was a hoe, FDS."

"Kobe would take a shit on Lebron."-Mr. A
"FDS."-Mr. B

FDS by MC NickA's Proxy October 9, 2012