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Acronym for “Cordon And Search Operation”, often used by military and law enforcement agencies. The operation typically involves blocking, or “cordoning” off a specific area where a criminal is believed to be, and then thoroughly searching that area. In recent past, the term has been used to describe operations in Kashmir (India/Pakistan) when there is believed to be a terrorist(s) or millitant(s) hiding or trapped in a certain area.
After an attack at the bus station, the terrorists hid in the local neighborhood. Counter-terrorism and police forces launched a CASO for the area within a half mile of the attack.
CASO by Yktv Military and Police September 29, 2019
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CASO: a collective comprised of extremely gifted and charesmatic individuals who share a deep bond with eachother.
In order to be a part of a "CASO" you must meet certain conditions such as: being rich, have a humongous phallus etc.
At this time there's only one group that can proudly be called CASO and its currently located in Greece.
"Yo bro these dudes just spat in my girls face lets f*ck them up"

"nah bro you're alone in this one, these mfers are caso members check out their tattoos"
CASO by nicholascageminecraft June 19, 2021
Related Words
Noun.
A particularly amazing specimen of female, often located in the New York metropolitan area. Generally unparalleled in beauty and personality.
"Yo man, you see that caso chick?"
"Yeah bro, but look at that guy she's with. That dude's neck must be 20 inches!"
"His cock must be too man, 'cuz she is hot as hell!"
Caso by Bronxboi99 June 7, 2007

Caso' Flenta 

Curb stomping. when a man tries to get out of a gang, he must bite a curb and anopther gang member stomps on his head. if the man lives he is free.
bitch wants to Caso' Flenta!!
Caso' Flenta by Jake Willinton April 26, 2009

che caso 

misspelling of "che cazzo".
meaning what the fuck, what the hell, all that good shit.
cazzo is fuck, dick, balls, basically any obscenity. so yeah.
Chrissy, you come to me with this? Che caso (cazzo)! Sometimes, I wonder why you're even a made man.
che caso by Hawaiian Dicking February 4, 2010

che caso 

(pronounced kay CAT-zo)
a southern Italian phrase that means literally, "what the balls!?!" but translates best to "What the hell?!?" or "What the fuck?!?"
it is usually followed by the speaker's reasoning for the initial disgust.
Che caso, Mario. I told-a you to put-a dee pizza inside-a dee oven!

che caso e'? ->translation: what the hell is this?
che caso by mMmAzZ January 25, 2008

Não vem ao caso 

Something someone will say if they are losing an argument and will not accept that they are wrong.
Fodasse, Não vem ao caso.