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!

B.O.S by Redchestedbirds July 3, 2011

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

B.O.S by Definion Of The Day !! Hey Hey ! March 17, 2007

B.O.S 

B.O.S stands for Beat off session. A B.O.S is time set aside for a male to masturbate.

- Karl can I call you back?

- Why man?

- Im gonna go have a B.O.S

or

- Hey Raquel, you mind giving me a hand with my B.O.S?

- Sure, anytime

B.O.S by TheJordanman November 8, 2006

B.o.s 

Term: Boss only sh**

Girl all we do is b.o.s

B.o.s by Yrb January 12, 2021

B.O.S 

Bald on the side

Yo! did you see that girl's head? She's B.O.S!

B.O.S by lmars March 15, 2023

B.O.S.N.I.A. 

big ol' standard Navy issue ass

occurs after a female in the navy sits and shines her belt and/or shoes too much, or just after putting on her navy issue working blues.

This place (command) is B.O.S.N.I.A. ridden.

B.O.S.N.I.A. by NAPS December 10, 2003

B.O.S.S. 

Bears, On, Something, Sexual

he plays xbox like a B.O.S.S.

B.O.S.S. by The German6 November 5, 2011