you suck, you're wrong, definitely not right/correct, more specifically used when Imron says ANYthing in math class...
"The answer is 5x-2...."-Imron
"Boooooooo"-Class
by MiReAm May 04, 2005
9 Words related to Boooooooo
Rank,Raunchy,ect. This can be described as a smell, sight, or image.
Tom:Oh that fart was huge
Dylan: Yeh man, BOOOOOOOOO
by Immy Marathom March 23, 2004

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