Definitions by WildmanWills

TFB 

Simple acronym for: Time for bed

Alright guys, I'm le tired, TFB!

(As you are dozing at the computer) TFB.

After that last episode of Scrubs, you turn to your roommate and say "T. F. B!" with much vigor in your voice.

TFB by WildmanWills November 10, 2006