A slimy rotten, stinky, dufus of a person whom you hate with a passion. A dirtball whom you'd rather shoot than spend any time with.
That rotten scumball just cut me off! The Freak! He deserves to die!
by Drew Switala June 16, 2005
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A spirit of adventure captured in an annual crazy cross-Europe rally, over a mad weekend, in cars that all cost less than £500. Think the Whacky Racers on a Stag Do, multiplied by ten. Oh yeah, and it's all done for charity (you know, for kids?).
He's driven 1800km dressed as BA Baracus - that's true Scumball!
by Dan 'Freddy' Gadd April 23, 2008
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The act or belief that being a scumball is good. The belief that when YOU behave like a scumbag it count, that you somehow are exempt from being scum.
Tiger Woods and Jesse James' scumballism was evident in their behavior with multiple mistresses.
by Not Russell May 17, 2010
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