Black Out Status
Kate: "B.O.S. tonight?"
Kayla: "It's a Thursday, is that even a question?!"
by Danielle Crazy Bitch September 18, 2010
Top Definition
B.O.S - (Pronounced same as Boss)
A term used within the Gangster Disciple Nation (GDN) and other "Folks" street gang to identify with one another or used a a entity to "stack" on. Usually the term is used to defend a thought or idea. It would be the equivalent to swearing to God or Swearing on someone's life. Also know as Brothers of the Same Struggle.
On tha Bos, if you pay me on Wednesday, Ima pop yo ass!
by "King Kong 773" November 18, 2007
aka a Folk-Brothers Of the Struggle.

or BOSS "Brothers Of the Strong Struggle"
when I step up on one of my FOLKS I say whats up BOSS?
by Big T April 02, 2005
Acronym for Brotherhood of Steel, the main enemy of the Enclave and ally of the Vault Dweller, Chosen One, and the Lone Wanderer
"in the BoS, the scribes develop technology, the knights build it, and the paladins use it."
by Mosin August 03, 2009
An abbreviation for Bitch Owning Shawty. Refers to a beautiful sexy woman that dominates one of more guys.
He will do anything Niranjana tells him do do because she is his BOS.
by H-Town Pup July 21, 2010
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
Meaning 'Boyfriend-over-Shoulder' :
1.When you are texting someone and your boyfriend is being cheeky so you tell them 'BOS' to warn them, usually signifying that you are talking about something you don'twant your boyfriend to see, or he's doing something to distract you (kissing you everywhere; doing anything he can to lure your attention away) from conversing.

2.Can also mean when a boyfriend is completely nonchalant about public displays of affection (usually right in front of people; mostly a term for posessive/insistent boyfriends because it's their way of showing affection, trying to gain more of your attention and constantly let you know they are there).

3.When someone's in a mood and you're trying to do important stuff, but there he is at your neck and ear, wandering hands- The works. Basically urging you to reciprocate.
'Sorry, can't talk.'

While we were talking to her, he had a huge case of BOS the whole entire time- It was really adorable.

Well, there goes any chance of trying to finish my assignments with him BOSing like that.
by BoredWolf.LonelySheep August 19, 2013
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