The art of trying to swiftly cock-block a group of guys.
"I was trying to hook up with some broad last night, until I was Roscoed by some hater."
by ace high April 27, 2009
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old (30s-40s) term for a handgun: same vintage as gat, heater, cannon, etc.
He pulled a roscoe and ventilated the gorilla.
by Peter Haskett March 12, 2005
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An old term used for a gun or firearm, usually a handgun or sidearm.
"Had me scared, had me scared, I was shook Daddy - but I forget I had my Roscoe on me."
-Notorious B.I.G.

"Hey man, you better cock that Roscoe, here comes trouble."
by sasadrtwet October 24, 2005
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a nother term for either a pistol or a penis
" sorry, just gotta adjust my rosco"

" shit, man, don't do that in here!"
by joe don baker December 20, 2002
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When a man slaps a woman in the face with his wang and leaves a phallic shaped bruise on their face.
After I jizzed in her hair I give her such a rosco that she cried.
by Jayzig August 18, 2007
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A boring ass town in the country that has nothing to do besides the Mini Put place and Dairy Queen. The town officials need to put things for people to do in town.
Shirland, Rockton, and Roscoe are the most boring towns in Northern Illinois
by SnookiBear1988 May 03, 2011
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