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1.
A celebrity (corruption of celeb).
Stephen Fry is a sleb.
by Al King October 01, 2007
32 4
 
2.
A slut and a pleb. For example, someone who wears slutty clothes and acts like/is a pleb.
Jenny: Omg Annie, Becky is such a sleb, don't you think?
Annie: She totally is, she wears such slutty clothes and is such a pleb.
Jenny: Yeah, I know!
by ZebraBuffalo May 28, 2013
10 3