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When the Supreme Court of the United States agrees to hear a case. Short for the latin "certiorari" meaning "to send up the record."
We were happy to hear the Supremes granted cert in Lawrence v. Texas.
by J. Muskratt June 17, 2005
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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2
teacher : there is no school on monday

Paul: oh cert cert cert certy cert cert
by kaz-kidd June 21, 2009
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3
A female that is visually unpleasing to regarde.
"Hey, have you seen Susan Boyle lately?"

"No, i'll go out on a limb and still assume she's a cert right?"
by moleman12345 September 21, 2011
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4
Certificates or other documentation that can significantly qualify one for a better/decent job. Often of a technical computer/networking nature.
Fuck, getting my A+ cert was easy as hell to get after that course.

Congrats, I just spent 3k on a course to get my networking certs.
by letfireraindown November 16, 2010
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6
Depending on the circumstances, a short form for
1) A certificate
2) A concert
3) Certain
1) did you pick up your cert from the gym?
2) Did you go to Enrique's cert?
3) So Bush won again? I thought Kerry was a cert...
by Gunkglumb June 06, 2005
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