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1.
Acronym meaning: Bloody Useless Set Blagging Idiot.

Used to describe the sort of person that turns up at an organised event be it a Rave or club night with a bag of records and constantly begs you for a set while your are trying to DJ, usually accompanied with a torrent of verbal diarrhea about all the people they know or the clubs they have played in
"can you tell that Busbi to sod off he's not getting on the decks"

"all night this one busbi was on at me about how he once played before Dave the Drummer"
by gordie303 February 12, 2006