Top definition
Form of online speak used in a forum, short for "Ban This Idiot". Used when a poster on a forum talks or behaves in such a manner that he or she merits being banned to prevent other users from having to put up with such idiocy again.
Poster 1: hey u all sux so much why u use this lame forum?

Poster 2: BTI
by Squishy Carpet February 06, 2006
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2
A big, tall idiot. Doesn't necessarily have to actually be an idiot, just look like one. Used as an indicator of fuckability.
I would totally do John Mayer. He's such a BTI.
by erin January 01, 2005
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Soft and offensive. Just like you.

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3
crew of 3 potheads who like to rhyme
THC, Chofius, and ATM
by THC July 10, 2003
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4
Hip Hop group consisting of THC Chofius Deadbeat and Rednekk Sam
BTi Aint nothin ta fuck with
by bti August 29, 2003
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5
Bollocks to it... When you can't be arsed to do something.
Dens "Hey dude, are you going to do that essay for university tomorrow?"
Henery "No mate, BTI."
by Henery and Dens August 12, 2007
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