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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
 
43.
ftb
a woman who wipes her butt from front to back, avoiding poopycooch and thereby being considered suitable for cunnilingus
Jason said his girlfriend was a poopycooch BTF and I told him to ditch that skank and get himself a FTB
by Ugly Dave September 28, 2007
 
44.
FTB
We cant tell u. Partners in crime Masterchuk,Moosepie, and Il Eroe
FTB, "Where the cash at", Your garbage, Were better than you and get over it,Panzy.
by The real real definition July 08, 2009
 
45.
FTB
short for Fuck That Bitch
Guy: Hey, I heard you and your gf broke up. :o

Other guy: Yeah... FTB!!!!!!!!
by rdizzle702 March 15, 2010
 
46.
FTB
From the back
dogs do it FTB
by gloKC4FANz September 01, 2008
 
47.
FTB
For The Bin
is the opposite of For The Win or FTW to show not-likingness of something
person 1:Mcfly FTW!!
person 2:nahhh mcfly iz ftb man!
person 1:you is messed brother
by AlexLovesDougie October 28, 2006
 
48.
ftb
ftb stands for Fat Titty Bitch or someone (generally a male) who has manboobs also called "bitch-tits"
kris was being such a ftb yesterday cuz he kept complaining about boring shit.
by hush...its a secret November 13, 2007
 
49.
For the Bear Sex. It's used as a motive for dumb actions.
"Dude, why did you stick your hand in that bee hive and run off with a handful of honey and a swollen arm?"

"I don't think you'll understand, but it was FTBS man."
by Michel Filo September 02, 2007