B.O.S

B.O.S is an abbreviation for Big Ol' Softie.

A B.O.S is a guy who pretends to be tough but is actually very sensitive if you can get past his emotionless facade.
Girl #1: I heard he is self-centered and doesn't care about anything but sex.

Girl #2: Nope, Coty is a B.O.S!
by Redchestedbirds July 02, 2011
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B.O.S.

Kate: "B.O.S. tonight?"
Kayla: "It's a Thursday, is that even a question?!"
by Danielle Crazy Bitch September 18, 2010
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B.O.S.

Blast On Site- used in gang grafitti to threaten rival gangs.

Brothers Of the Struggle - meaning any gang member involved in the gang struggle
B.O.S. Lil' Mac, Blast him On Site
by Oscar III March 06, 2008
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B.O.S.

stands for Beating on sighting
timmy been slipping up give him a B.O.S.
by kingkong420 December 18, 2007
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B.O.S.

stands for Balls of steel , is used when someone does something that takes a lot of balls. so you you give them their props. is a compliment given to a true badass
dude 1-- " oh man i cant belive she just did that shes crazy!"

dude 2-- "i know man shes got some B.O.S.!"
by yellowseven365dude April 11, 2012
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b.o.s.

brushes off shoulder or brushing off my shoulder; used when you want a cocky way of saying thank you
jordan: dawg, you are so good at being cool
kim: b.o.s.
by Kimburrlee May 11, 2008
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B.O.S

It means when you're going for a ( Wank, Masurbate, etc )
B. = Burst
O. = Of
S. = Speed
Me> Hey fred, I'll brb.
Fred> kk, why?
Me> Going for a B.O.S.
Fred> Kk, safe!

B O S B.O.S BOS Wank Masturbate
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