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Short for Obviously.
1 : in an obvious manner <showed his anger obviously> 2 : as is plainly evident <obviously, something is wrong>
Person 1: Damn she was hot, was the sex good?
Person 2: Obs!
by Ian Danger February 03, 2007
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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OBS is also known as Oriental Boy Soldiers. OBoys a gang affiliated group consist of mostly Asian-Americans. The majority of OBS is Cambodians. They mainly reside in East Side of San Diego. With that at hand they represent as the formally known gang, "Crips." They are mostly seen wearing all blue with a blue rag/bandanna. Members of this gang can be aged up to 10 - 50 from younger heads to older heads. They do not fear anyone.. Back in 1992 OBS and TEC (Tiny Eastside Criminals; another Asian-American gang) had a rival affair in which was fought over a female. Even today the war between them is still not over. Throughout the years many OBS were killed and many TEC were killed with guns and other sort of killing materials.
"OBS cuhz, fuck TEC BOYS."
by Elder G July 10, 2008
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A medical abbreviation meaning "overactive balls syndrome". Symptoms are random surges of anger, frequent screaming, and the urge to kill someone. Generally occurs in someone's teen years.

Person B: "Calm down, Mr. OBS."
by Poncho Franzwarez March 09, 2010
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Short for observers. In WarCraft III-The Frozen Throne LAN games, the game host usually make referees or observers to observe the game. Observers can chat to fellow observers and to the players unless otherwise squelched by players/observers/referee.
Player1: gogogo... obs ok
Player2(host): gg hf gl
Player2 then starts game.
by Randy E. Sinang January 29, 2007
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Stands for Optimal Breast Size. OBS is the point at which the female chest is near perfect in dimensions; they are neither too small or too large, as Goldy Locks would put it, they're juuust right.
Lynn has a wonderful set of OBS, I wonder if they're real...
by Dave Saniti February 27, 2008
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Oriental Boy Soldiers 619 area gang
oh those boys i kickit wif inda obs are fyne lyk hella.
by Thuy February 06, 2005
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