Abbreviation for "Non Commissioned Officer". Only enlisted people are NCOs.
I am an NCO in the air force. And no, i don't fly an F15. Only commissioned officers do.
by TooCrooked August 31, 2003
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1. A non-commissioned officer in the armed forces.
2. Someone who stayed in the army long enough to get promoted to being "above useless".
3. A service member in the armed forces that pretends to give a damn about lower enlisted soldiers, but actually is only looking to advance their career.
4. Non-Caring Officer
5. Someone too stupid to get an actual commission.
Sure he's an NCO, but he's been in for 15 years and he's still an E-5.
by Private First Class June 18, 2008
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n. Acronym for Non-Cognitive Organism.

1. The nickname of the blighted, brainfucked baboons that comprise the vast majority of the modern military.
2. Instantly recognizable by their pitifully deficient cognitive capacity, unrefined mannerisms and generally distasteful appearance and disposition.
3. Incredibly traumatized and incentivized almost entirely by fear and intimidation, which is why they mindlessly subject their subordinates to miserable treatment.
4. Fatally frightened of being exposed as the utterly useless creatures that they are.
5. Thus, they desperately sport a laughable God-complex to sustain their nonsensical facade.
6. Insist on commanding the respect befitting of a king despite exhibiting behavior characteristic of a buffoon.
7. Apt on making baseless, unactionable threats in the absence of true authority to execute said "threats".
8. Come from broken homes, abusive, disillusioned and criminal backgrounds. Thus normalizing the abominable behavior that they have been subject to and subject others to.
9. The only truly effective way to effectively deal with an NCO is to completely crush him in body and spirit and irrevocably communicate his place in the dominance hierarchy to him in no uncertain terms immediately thereafter.
10. Not that such treatment says anything about one's just character. It's just that the NCOs' inability to comprehend any language other than that of mindless brutality dooms him to such an ignominious fate.
2nd Lieutenant to General: Good morning sir! I'm afraid I'm having some trouble with my NCO.
General: Good morning, Lieutenant! Before I assist you with that, can you tell me what NCO stands for?
2nd Lieutenant: ...Non-commissioned officer, sir?
General: Valiant guess. Non-cognitive organism, lieutenant. Kindly command him having established this as an absolute fact and you shall face no more troubles henceforth.
2nd Lieutenant: Thank you sir! Good day!
by Muhammad October 1, 2020
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New Crew Order

A term for a bunch of bros living in the streets of woodstream. That just hang around doing rebellious stuff, eating franks, riding out and just enjoying life one second at a time. And will occasionally pull some wrestling moves on any shoobies trying to come in there hood.
Man I was walking with my daughter when the NCO swooped in and pulled a one winged angel on me.
by NCO4lyfe April 26, 2019
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Non Commissioned Officer. The NCO is the military. The NCO is everything new soldiers/marines/sailors wish they were. NCO's are smarter, faster, more deadly, and more ferocious than any other service member in the military. The NCO cares for the members below him and is responsible for their lives. The NCO actively demonstrates what a bad ass mother fucker should be. Crossing paths with an NCO is about the most foolish thing a new enlistee or new officer can do as the NCO will make their lives a living hell. Good officers recognize the value that well seasoned NCO's bring to the table. Privates and Seamen can only dream of being as courageous and as deadly as an NCO.
Joe/Officer: Uggggghhhhhh why are we doing dime and washer drills?

NCO: BECAUSE IF YOU PLAN ON WALKING OFF THE BATTLEFIELD ALIVE, THEN YOU BETTER SHOOT BETTER THAN THE ENEMY. DON'T MAKE ME KILL YOU.
by elwoodblues85 July 6, 2011
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No clothes on
Man: Its do this is Nco on ;)
Woman: ok ;)
by Jolly hugs November 5, 2017
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