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59.
FTB
FTB is the short form of FEED THE BIRDS.

Nathan Fillion, a brilliant actor, coined this famously popular original phrase. "FTB", or "FEED THE BIRDS", is used as a way to congratulate, or give props to someone. Here is its meaning as he describes it on his NathanFillion on Twitter page:

"This is the new High Five. It is called: FEED THE BIRDS."

Nathan Fillion, the extraordinarily talented, hot, handsome star of "Firefly", "Serenity", and "Castle", just to mention a few of the fine roles of this Emmy-winning performer, also says "Feed the birds" in his show "Castle".
Here are some of Nathan Fillion's quotes as examples: (FTB can be used in place of Feed the Birds).

Example #1:

Nathan Fillion: "Just did a Feed the Birds in episode three of Castle. Also, tried to squeeze in obscure Firefly reference. Bam, said the lady."

Example #2:

Nathan Fillion: "First, an Emmy, dinner with friends, wrap it up with @thedanband. Let's call it a perfect evening. Feed the birds." (FTB).

Example #3:

Nathan Fillion: "Interesting. Guest star was supposed to call me Castle, but instead called me Captain. Feed the birds." (FTB).

Example #4:

Nathan Fillion: "I saw so many of you have donated to the Children's Hospital Triathlon... I'm thrilled. And touched. Thanks. Really, really thanks... you. Feed the birds, all of you. Extra feed. Extra birds."

Example #5:

Query: When you say "Feed the birds", are you the feeder or the fed?

Nathan Fillion: "The person getting props gets fed."
by Kcat10 July 17, 2010
 
15.
some one who looks hot, From.The.Back, but when they turn around its a different story...
Oo, an f.t.b!
by houdini July 14, 2003
 
16.
ftb
Fish That Bite

there aren't really that many ftb, more like fish that swim away scared, so it's important to distinguish between fish, and ftb.
Would you swim from here to that bridge for a thousand dollars?

I don't know, the water is probably really cold, and there might be FTB.
by sock311 May 13, 2013
 
17.
FTBS-(saying) (1)Fuck that bullshit (2) Fuck the bullshit
guy: that Girl was being a bitch to me
guy2: FTBS bro

ex2:
guy1: Karina
guy2: FTBS!!
by circle N February 17, 2012
 
18.
FTB
FUCK THE BEAT!!!
WHEN YOU ARE DANCING TO SANDSTORM AND ITS A COMPLETE RAVE. YOU YELL FTB!!!
by heloo1 September 18, 2011
 
19.
Sort of like D.T.F Down To Fuck it means a person is single and Free To Bone F.T.B as in ready to have sex.
by Justin3876 August 13, 2011
 
20.
FTB
For The Bant. British saying. "bant" being short for "banter". if ever there is the need for an excuse to do anything. simply reply "For The Bant". can be applied to ANY situation without fail.
Man: "why did you eat my sandwich?" (furiously)
Second man: "For The Bant (FTB)"
Man: "Oh. Ok then"
by this is gandhi August 04, 2011
 
21.
FTB
As in Fun Time Baby
Stephanie "Did you have a good time at the party?"
Jonn "Yes it was FTB!"
by Neallie June 22, 2011