Top definition
Acronym for "in the butt." "In the butt" became extremely popular after South Park and Samwell brought "What? What? in the butt" to giant popularity.
I said what!? what!? ITB.

Duuuuude! Did you PIIHB!? Oh yeah. ITB.
by DrHarley06 October 18, 2011
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2
Stands for Invidual Throttle Bodies. Can be found in cars such as tuned AE86's and GTiRs. Every cylinder has it's own throttle body. Greatly improves throttle response compared to a single throttle. Has a great sound to them.
Those ITB'S look f00ly sick!!!!11!!!
by Johnno May 16, 2005
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Golden Shower Plush

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3
Inside the Beltline

I need not say anymore.
Where do you live in Raleigh. Oh, yes, I see.
by Raleigh Boy November 22, 2004
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4
An abbreviation for the saying; "Is the best". This shorthand term is used widely on social networking websites and internet forums.
I think Inter Milan will win the Champions League this year, Mourinho ITB!

Nobody watches bbc1, channel 4 ITB!
by stant.d.bant May 03, 2010
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5
did that I.T.B
by CJ McMastaKewlio(2) February 09, 2009
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6
That chick was hot. Did you see her ass? She was a total itb!
by Brent Wallace March 08, 2003
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7
by Justin Chen November 15, 2005
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