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acronym for "Body Mass Index", an outdated and inaccurate method of determining someone's health based only on their weight compared to their height, without taking into account lifestyle, activity, muscle tone, or any other important factor.
according to BMI standards, Tom Cruise is "Obese"
by Ugliness Man July 01, 2004
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Mar 1 Word of the Day
One who has a mania for music.
I am a melomaniac.
by Larstait November 14, 2003
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1) acronym for "Black Market International", a great site for the latest music downloads.

2) to download for free; illegally (music, movies)
1) BMI means Black Market International, duh.

2) say, dawg, i just BMI'd Birdman's new album from brrrrrrrrr aw-aw!! *does the bird hand sign* birdcall
by One Wanksta December 13, 2009
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The body mass index. The classical way of defining and breaking one's degree of obesity when comparing one's body weight to height. In other words, it is a politically correct way of saying to someone that your a tub or lard.
Your BMI is off the charts, at 58585858855875477474744 TONNES
ur fatt.
by itsPrYzm June 03, 2020
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Bad Mental Image. When some one tells you something and you see sumthin in ur head that u really don't wanna think.
Sarah: I gave mike head for his birthday!
by Shoes April 05, 2004
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