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1.
1. You use it to call one of your friends cranky.

2. You say it to tell one of your friends to fuck off.

3. Also in a tennis match it means Australia.
1. James is acting like a buboff.

2. Houghton buboff.

3. Ian buboff now.
by SteveSmith89 May 10, 2006
 
2.
It can be a term called out loud during something important to mess up your friend.

It is also known as a term used in tennis to mean Australia.

Another definition of it is to call your friend a dumbass.
(your friend is about to hit a serve in tennis and you scream) BUBOFF!!!!!!!!!!!!!!

Houghton your such a buboff
by SteveSmith89 May 10, 2006