1.A very large penis

2.The act of slapping a girl with your penis during oral sex.

3. Just a great fucking name
1.See now thats a roscoe.

2.I roscoed her.

3. I'm a roscoe, so fuck you.
by jedi pimps December 19, 2005
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The act of slapping someone face with an erect penis.
After I finished I roscoed that bitch with more power than a left hook from Tyson.
by hotcarlcoldrichard August 8, 2017
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A very large penis; a penis that is great in size
Do you have a Rosco? I have a Rosco.
by John March 31, 2004
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All dogs answer to the name "Roscoe".
Hey there Roscoe! How ya doing boy!

But his name is Jeep.

He came didn't he?? That's a good Roscoe!!
by Old School Mike A. December 19, 2007
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Rosco means sauce, he knows he’s a handsome man with a brilliant personality. One of the funniest people to have as friends but will be serious when needs be.
“That boys got some rosco in him!”
“I wish I had a Rosco
by Columbus61 July 13, 2019
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Roscoe is usually sassy, usually it’s a pets name. Has only on owner. Walks away when you are talking to them. Loves food and usually an outside pet and comes in the house sometimes.
Roscoe come here
by Haha haha 😂 March 14, 2019
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