A greb is usually a person who has been bullied at some point and usually inbread. They dont bathe or use any form of deoderant so they stink really bad. REALLY BAD! man they're sweaty. also they seem to enjoy skateboards and black clothes not to mention there fettish for leather. In all, a low, low, low form of life. If you wish to see a greb in action, pop down to your local skate park or follow the stench of salty clothing.
passer by: You guys reek, i mean come on, its not hard work to buy a sponge
greb: Say man.... errrm.... that was.... errrm..... bogus dude
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