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1.
F2C
Fist to Chest. To show someone a sign of respect, comradery or alliance.
Shawn: What up Dawg! You want to kick it tonight?

Shay: Absolutely! I'm down wit dat!

Shawn: Cool. F2C

Shay: F2C
by Skoot-dawg November 12, 2010
 
2.
f2c
free to chat, Like in some chat program.
"Tara: I'm f2c"
by Juuhonber August 10, 2009