Bright Shiny Object. Referring to any object or idea which is so utterly compelling that it can literally suck all reason and rationale from the mind. This is a common term in high technology. First usage may have been in connection with certain birds and their love of bright shiny objects (Crows?)
"Where the hell is Eugene and why hasn't he finished the code for this project?" "He's off chasing another BSO'".
by itripn November 14, 2005
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"brushing shoulders off". Used when a person wants to express how baller or proud he/she is
Guy 1: Hey did you hook up with those two girls last night?
Guy 2: Yea bro I'm such a pimp. BSO
by JMayzin July 14, 2010
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a group of silly people, without a future. They hang around downtown all day, smoking and shouting all over the place.

-Hey, look at those nigga's over there, aren't they supposed to be at school?
-I think so. They're problably bso's.
-Yeah.
by arrogant zakje January 29, 2008
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