Top definition
bicycle shaped object. a low quality unsafe bicycle, purchased at walmart or target. a crappy shitty bike. LAME.
Go get the hacksaw and lets dispose of this BSO.
by F.U.N.E.R. January 11, 2006
Get a BSO mug for your grandma Nathalie.
May 13 Word of the Day
lil mad is like big mad but the opposite, you mad but not mad to the extent of pullin somthin
"look im sorry i ate your food"
"is cool im just lil mad"
by lilbabiey November 30, 2018
Get a lil mad mug for your Aunt Helena.
2
BSO is an Internet term,which is the abbreviation for bloody show off.It is frequently used in online forums when a poster is believed to show off himself.However,what needs to clarify is that any thread or reply can be said to be BSO as long as it is believed so.


Hibert: My budget is very limited right now and I have to save money now...the first thing is to travel less by my private jets.

John: BSO you have private jets!
by Yuka Osawa April 19, 2009
Get a BSO mug for your dog Riley.
3
The BSO (Bahpu's Spy Operators)

They are an elite force of spies who scavenge for enemies under Bahpu's rule

they are often hired for hits against Bahpu's enemies
GavZ: Whats your name!
Sald: Whats it to you!
GavZ: I'm part of the BSO! You're coming with me!
by B))))))) April 27, 2019
Get a BSO mug for your mate Beatrix.
4
Banda de Sonido Original

Original Soundtrack in Spanish.
Yo Amigo! Usted consiguió "The Matrix" BSO?
by TheScaryOne March 23, 2004
Get a BSO mug for your cat Rihanna.
5
Bud Smokers Only crew originating amongst the degenerated youth of So. California who don't smoke nuttin but the dank.
Hey, no crack-rocks here, this is a BSO party.
by Jim D. September 27, 2006
Get the BSO neck gaiter and mug.