Constant fuck. Not your bf (boyfriend) or gf (girlfriend)... just the person you constantly fuck.
Guy 1: Hey man is that your gf?

Guy 2: Nah thats my cf.
by Hankgod October 11, 2010
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Something certain people don't have.....

Especially if they are naive about a lot of things. Also maturity is a factor in obtaining CFS.

Moving to somewhere that's a half hour from your current job...

Not doing that is just Common Fucking Sense
by Avatarctica July 02, 2009
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In Romanian, "cf" is the abbreviation (just when chatting :D) of "Ce faci", which means "What are you doing/How are you"
"Salut! Cf?"
by Krunker1504 December 22, 2015
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Center Fielder; A player on a baseball team that plays in the center of the outfield.
Coco Crisp is the Center Fielder (CF) for the Boston Red Sox.
by Dave The Guy S August 03, 2007
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Man Jovilene just texted me and said someone is cf with her.
by feedyou July 13, 2017
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Cf is short for catfish.
CF: I am a catfish. I pretend to be someone else online to scare people, catfish
by Nanabdjakdndjqndkajc January 01, 2018
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