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A person who is lazy, boring, annoying, uninteresting, short, sluggish in their movement or generally unballer in every way.
Kevin: Did you see that girls boyfriend? He was such a little slug

Wayne: Yeah, he was a complete slug, a little slug with no personality


David: The Swindon lot are little slugs, little slugs with no personality who are just jealous of us because we're better than them at everything!
by monsierpanda October 13, 2009
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