Top Definition
I3 is another way to type a simple "B", This is l33t language.
Bruce Says -Hey man i need a cool nickname for my Messenger!

Allan Says -What about I3ruce?

Bruce Says - Yeah Man! thats a nice one!
by ArcticShooter! November 13, 2009
1 more definition
A form of bisexuality for those who don't like the term bi. This is a condition where a man or a woman find interest mentally and sexually in both sexes regardless of mannerisms or physical traits. The Word is comprised of I, a pronoun used by a speaker in referring to himself or herself and 3. 3 being the middle of the Kinsey scale on human sexual orientation.
Sexually I describe him to be I3
by Cursor August 21, 2007

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