In The Bond.

Most commonly used on the popular greek community website TotalFratMove.com
Itb. Rep it til I die. Named my dog after a special drink. Sweet berry wine homos. Itb. Born proud raised proud. TFM.
by AXO Princess January 6, 2011
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In The Butt.
Getting fucked in the anus or asshole. ITB is used as a secret code for young men only to understand.
This keeps women from the knowledge that they gave up their ass not because of feel good sex but because of a score card the boys are keeping secretly.
So they do not have to say the entire "In The Butt" after telling another about earlier escapades fucking.
early morning hours two young men are talking:
Dude1: Dude! ITB?........
Dude2: Oh fuck yea! You know it. That makes five this month. Shhhh.... I think she is awake now.
by DoomDoomRacer June 18, 2011
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ITB stands for "Italian Time Bomb." It is the expectation that an attractive Italian-American woman will "explode" and really let herself go after marriage.
Sammi "Sweetheart" Giancola is an ITB. Marry her and watch her puff up like Pavarotti.
by Trelander April 4, 2011
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"inside the beltline." it's a term referring to the people who live in Raleigh, North Carolina. It is where the houses are usually nicer and the property values are higher. It's opposite it otb, "outside the beltline," where the property values are low. people who live inside the beltline are usually of a higher class than the ones outside. Very powerful three letters, because whether or not you live itb or not is what you get judged upon in the Raleigh society.

For more information on the hatred of itb-ers towards otb-ers go to: www.itbinsider.com
Ex:

son: "dad I met a new friend at school today, he's really cool and nice but....

Dad: "but what?"

Son: "he lives outside the beltline"

dad: oh. too bad, if only he lived itb
by csfloverz34 December 5, 2009
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What a person says in prvacy to another person. I Took a Big Shit.
Paul; Hey dude guess what what..
Dane; what?
Paul; ITBS..
Dane; Youre disgusting..
by Carolynn Montoya March 1, 2008
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acronym for I'm the best.
"Ugh can someone open this bottle for me?"
"I will!"
"No, you suck at opening bottles."
"Itb!"
by GiNa PrInCEsS March 21, 2007
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itb is what the ravenscroft and st. marys school think of as a fun way to labelize others when really it is proving to the rest of the worl that thye have no fucking LIFE
by realprep April 30, 2005
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