1) A story with which to scare little Mexican children.

2) If said correctly, like a spooky tone, it scares the shizz outta you!

3) Basically the Mexican Boogeyman/the fucking scariest thing on the face of the earth.
1)"Si no te calmas, el Cu-Cuy te va ha agarrar!"----translation----"If you don't behave, the Cu-Cuy will get you!"

2)"El Cuuuuuu-Cuuyyyyyyyyyyy!"

3) Say this in the dark with a bunch of Mexicans (mostly kids) and they WILL start to cry.
by PaleteroJ April 5, 2010
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"Me and my homies love the bottle like Tyson loves Cus D'amato." -Andre Nickatina
by Maxi-P January 29, 2009
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A provocative dance done by playas and pimps alike, which usually entails a quick rotation of the torso and lower regions while arms are brought to chest height moving in opposite direction. A leg may also be brought up to add extra heat to the dance.

warning:Often this dance will entise large quantites of the opposite sex to throw themseves at you.
Wow look at Mayu bump and grind with Gus she really cant resist it when he does the cus.
by Alice September 11, 2003
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Threaten another internet hero, usually on QuakeNet IRC, to beat him up at a LAN event.
rofl n00b, cu@lan!!!!1one
by thunk October 24, 2003
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How Jamaicans pronounce the word "cucumber"
How's that cu-cumba?
The fuck did you just say?
by the milkman67 March 30, 2017
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The badass Lancer servant from Fate/Stay-Night. The one who has a one shot move that can kill anyone in Anime Battle Arena on Roblox
"Wow I think Lancer might be my favorite character" me "Oh do you mean Cu Chulainn?"
by GreenRhysGrim March 2, 2022
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It basically means
No Good; Cannot Understand

Is normally used for foreign languages used on a forum.
<David> Hey, what was that thread about last night?
<Joseph> Já nevím, som čítal, že téma...
<Tristan> ng;cu
<David> NG;CU
<Tristan> Lol, inb4
by TheFinalDegree April 5, 2009
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