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A Sco is a horrible person who takes things from people, while asking, but then dosn't wait for a response. You know a Sco.
Sco: "Hey man, Brah let me get some!" *Attempts to take*
You: "whoa man Don't be a sco!"
by MissionAgape October 14, 2014
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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It is a conjunction of the phrase "let's go." First used on the television show King of the Hill by Dale Gribbel. Preferably used repeatedly and increasingly intense.
"Hey guys, sco to eat?"

"sco Sco SCO SCOOO!"

"Sco, dude."
by Dave Randall June 01, 2007
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An endangered species considered so pointless and useless that no effort is to be made towards conservation.
SCO is soon to be extinct.
SCO who?
by TonyM October 23, 2003
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One of the top rappers from the "ZOO" section of the grimiest city in the commonwealth of Virginia, Portsmouth. May also be kn own as "Kartel" around various sections of the city.

An Urban Legend created by the local women in late 2016 surrounding a serial killer that was known for making his victims "TAP OUT" and address him by his appropriately given handle "KING D**K"
GF: Bae can you buy me that new "Sco" mixtape

THE REGIME: " Sco just dropped The Gastronot, now i can make it through the rest of this year"

dude 1: "Aye bruh that new Sco s**t a banger"
dude 2: "Bruh stay snapping on s**t"
by B.R.I.Q. CEO October 25, 2019
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