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shorter way to say 'because.'
City are shite cos they've been relegated more times than Mark Roberts has gone out streaking.
by International Bad Boy September 04, 2004
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Jun 24 Word of the Day
An exclamation made when your friends or family are teasing you to a point where you can't handle it anymore and a hissy fit is in order.

Derived from a YouTube user's famed outburst following Britney's lackluster performance at the 2007 VMA's.
Sarah: 'OMG Susan, I can't believe you are wearing the same skirt as yesterday. Oh, and by the way, EVERYONE knows what you did with Kevin on the weekend. Plus you look a little fat, are you retaining water?'

Susan: 'LEAVE BRITNEY ALONE!'
by Billy Chickenhole September 15, 2007
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3
Acronym for "Church of Scientology." Can also be written CO$ since the "religion"'s main goal is to make money.

"The Church of Scientology is a vicious and dangerous cult that masquerades as a religion...It practices a variety of mind-control techniques on people lured into its midst to gain control over their money and their lives. Its aim is to take from them every penny that they have and can ever borrow and to also enslave them to further its wicked ends." -Operation Clambake
"Fuck, the COS took all my money and now I have none."
by r0semarysays July 19, 2006
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4
a term in persian for pussy
Your mom's cos is so hairy that it looks like a jungle.
by joe shmoe February 16, 2004
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5
Internet contraction of the English "because", often used in chat rooms or IM sessions in order maximize wordkeystroke conservation/word.
"I liek teh int4rnet cos it's kewl n shiz."
by brazenpuppy November 02, 2003
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6
Expression of 'cosine' in an actual math problem.
'Cos' is prounounced 'cosine'.
by Diggity Monkeez March 04, 2005
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