1 definition by XxSHAGGYxX

Top Definition
A Jeff is always considered as "The World's Greatest Thing Alive" Jeff's love to drink and have a good time, they have girl's lining up from all over the world, No matter what a Jeff does it is always considered cool and sexy. Nothing in the world beat's what a Jeff can bring into the bedroom and that's a big penis and all night sex. If you ever want a Jeff in your life you need to look very carefully because they are of a rare breed and there is only so many alive, if u ever manage to either be friend's with a Jeff your life will never be the same and you will never regret having him in your life.
by XxSHAGGYxX February 04, 2010

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