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1 definition by Awesome Pat

 
1.
Short for "Calm The Fuck Down"; used when someone grossly over reacts to a trivial situation.
(Bob is sitting at his desk, and Alex bumps into it, accidentally knocking Bob's pen off)

Bob: Dude, WHAT IT WHAT IS WRONG WITH YOU?!

Alex: CTFD, man!!
by Awesome Pat December 02, 2007