Center Fielder; A player on a baseball team that plays in the center of the outfield.

An abbreviation for Childfree.

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

typo for "xD"
it usually causes a retardness sensation to the one who accidentally types it

Abbreviation of Central Falls, Rhode Island.

Place where there are too many people, the streets are too narrow, and where mothers shield their children's eye's while briefly passing thru.

Small city of one square mile with more prostitutes and drug lords than advertisements written in English.

Short for Canadian Forces, the overall designation of Canada's Army, Navy and Air Force. Rather than three seperate branches, the CF is under one unified command, and members of all three brances must undergo the same basic training.
Therefore, if a CF member wishes to change branches, they don't have to go through "boot camp" a second time.