A person who is fake and is also a scheming opportunist, and who often uses ruthless measures and competition, in order to get what they want. Scumbags are prone to and manipulation and subterfuge. They will stop at nothing to get what they want even if it means hurting other people. Basically, a crook. A cheapskate. A chancer. (british slang)
most of Eastern Europeans and Russians are scumbags. do not make deals with these suspicious people!
by Harold Godwinson October 1, 2019
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Saulius Milevicius. Thats All You Need To Know. He Is THEE biggest scumbag of all time.
Johnson: Dude, WTF is that smell? smells like someone who hasn't taken a shower in about 4 years.
Rudy: Dude, Thats TOTES Saulius!
by Big Johnson April 1, 2005
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Store Clean Up Mop Bucket Applications Guy/Gal
The title of the store worker that makes sure everything is tidy.
Fundo enjoyed being the underpaid SCUMBAG, cleaning the store, so he showed up to work early every day.
by authOOr August 25, 2006
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Slang derogatory term for MTG "Type 2" (Standard) tournament format. This tournament style is looked down upon because it requires players to continuously buy new cards, since after a few months cards become banned.
"Naah, I can't play my deck there, they only do scumbag."

or

"I have 2 decks, one for playing with friends, and one that I keep tweaking so I can play scumbag format."
by Volrather March 25, 2009
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A person that has no morals, decency or discretion, making him or her the lowest of the low.
I can't believe that Rex is such a lowlife scumbag.
by mander223 November 28, 2011
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A person that attempts to have sex with as many women as possible, while, at the same time, trying to keep it a secret from each woman. In his head O.S thinks that the illusion will last, however, that is not the case. Often most of these women know each other. If your friend is an O.S, best thing to do is let it take its course. Then when the shit hits the fan, kick back, pop open a cold one and enjoy the show.
Bob-"Hey whats up O.S?"
British Simon -" O.S? Operating system?"
Bob-" Nah. Operation scumbag."
by KBap April 28, 2011
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