A non-gender specific term of affection, usually applied to a significant other i.e. girlfriend or boyfriend. Can also be applied to close friends.
"Hey Bu, I'm just killing to see you tonight."
by Robyn Saul January 21, 2004
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Derived from the Indonesian word "ibu" used to describe a woman or house wife, shortened in Indonesian to "bu" in intimate relationships. In English "bu" is used by a male to describe his girlfriend or significant other.
Bu, can you get a Mountain Dew out of the refridgerator for me?
by Matthew October 17, 2004
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Either I don't know or I don't want to answer your fucking question.
"Nephew, tell me about your girlfriend."

by Screech January 31, 2004
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Another way of typing "boo"
Boo/Bu - they mean the same thing!
by Sabian June 03, 2004
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