Cf 

Close friend

"Cf for cf?"

Cf by Widget Marie February 17, 2017

CF 

A korean way of saying commercial.

Girl: Did you see that new CF that 2pm did!?
Girl2: Hell yeah! So hot....

CF by yourmada January 6, 2010

CF 

Shorthand for clusterfuck. Can be used when not wanting another person to know what you're really saying or when you want to avoid being vulgar.

Hey Johnny, this gangbang is such a CF...

CF by Norbert March 4, 2004

CF 

An abbreviation for Childfree.

"It's so hard to meet a nice CF man nowadays..."

CF by CatsNotBrats July 9, 2017

CF 

In Romanian, "cf" is the abbreviation (just when chatting :D) of "Ce faci", which means "What are you doing/How are you"

"Salut! Cf?"

CF by Krunker1504 January 2, 2016

CF 

Medical abbreviation for Cystic Fibrosis

CF is an autosomal recessive disease.

CF by Stu007uk June 11, 2006

cf 

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.

cf by Hankgod October 13, 2010