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A shortened version of the name Castile, and angel who despite being so gay for dean makes all the girls swoon
"What's the word Cas?
"It's a shortened version of my name.l
"..."
via giphy
by cassbutt February 26, 2017
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Jun 18 Word of the Day
Adj. Something that is expected to have a long lifespan by virtue of having existed for a long time, based on the lindy effect, named for the New York restaurant Lindy's, coined by Albert Goldman and popularized by Nassim Taleb.
cooking with fire is lindy
by mmebs June 13, 2021
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2
Cas is a short form of the word casual. It is used mostly in hip settings where you or the people you are with are enjoying your time.
It's a cas vibe right now!

or

I'm feeling pretty cas today, anyone want to grab some drinks?
by The Cas Man December 18, 2018
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3
Creativity, Action, Service.

It's the part of the IB program that's supposed to make you well-rounded. You have to get 150 hours of them in your two years.
You only have 100 CAS hours? The deadline is tomorrow.

Yeah, I have 8 more CAS sheets to fill out. Will you sign my supervisor's name?
by that nerd girl April 23, 2006
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A short, beautiful, dark haired Spanish girl who enjoys programming, dancing, designing, video games, labels, confirmation, coconut, cats and matcha. She dreams of having a house and her cat live forever. She doesn’t like distractions, being tickled, surprises, emotions, interruptions during phone calls and other people’s problems. She can often be found running into doors or corners of cabinets due to daydreaming.
“I met this girl on PSN last night named Cas. She’s pretty interesting.”
by DanielMcD May 11, 2019
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5
short for casual (sounds like the first half of casual)
by lauren September 01, 2003
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6
Military abrieviation for Close Air Support.

CAS runs are usually made by gunship helicopters, the first CAS runs were made with UH-1 Iroquois Huey helicopters fitted with rocket pods and grenade launchers, the AH-1 Cobra series helicopter has been used from vietnam to current date for CAS roles.

Other helicopters can provide CAS, AH-6 littlebirds, AH-64 Apaches and AH-60 Blackhawk gunships can be used to provide CAS.

Note the lettering in the chopper names, the H mean helicopter, A means assault/attack, U means utility/transport.
"We got a Cobra inbound on a CAS run to light up the tree line, after all the FFARs have hit we move in."
by MarineJulio April 06, 2005
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