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 20, 2006
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A new domain name extension that rose to popularity in mid 2010 due to an overwhelming majority of youth (mostly American) who couldn't be f*cked typing the letter 'm' for the previously popular extension '.com'
dotco (.co)
i want to visit the apple website...
www.apple.com WRONG
apple.com WRONG
apple.co WIN
by mike nn July 20, 2010
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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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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 2, 2003
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It’s means you or a short for the word cool
Harry:Your ugly

You:I’m mad at co
Harry:Why are you mad at me
by lilsimpyforcedric December 29, 2021
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Expression of 'cosine' in an actual math problem.
'Cos' is prounounced 'cosine'.
by Diggity Monkeez March 5, 2005
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