'oo' pronounced: like in the words: too, new, noob, etc.
can be put in to any sentence or phrase in different moods or describing your emotion toward something or someone. basicly 'oo' can be use if your happy, suprized or confused, sad, or if you simpily got hit in the back of your head (or when you get hit by someone or something)
happy - oo (^^)

suprized - oo? (huh?)

sad - oo... (;-;)

hurt - oo!! (ouch!!)
by Gan_Ning_of_the_Darkness November 2, 2006
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The sound a vagina makes when a large object is thrust into it.
oos oos oos oos oos oos oos oos oos
by gabeZilla December 7, 2004
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1: Out of stock, as in a brand being sold out.
2: Out of style
1: Aw man! The shoes I wanted in my size are OOS!
2: "Did you see Ashley yesterday? Her Juicy trackpants are so OOS!"
by Maybelline October 7, 2007
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potty mouth slang predominantly used by eshays who think they know what’s up
Ooh hell yea, oos oos cunt!”

“Yea righttttttt, oos oos cunt... you a pussy, actin’ all tough and Shit”
by Oos oos cunt January 12, 2018
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When you see something you like or something kool. Add as many Os as you want
1:Look at this girl in my dms

2:Oo she a mf snack my mans you better clap that
by A_FOR_ALFREDO August 3, 2018
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it a emoticon for a nintendo controller. the left is a side, the + is the d-pad, the two - - are the select and start keys, the two o o are the B and A buttons, and the end is the other side of the controller.
i used a +--oo to play the nintendo.
by wicketap July 15, 2010
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