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The much more awesome way to say clever.
HAHA, you're such a loser Alex. Nobody says Clever anymore. It's slever duhhh.
A slever is someone who talks shit or tells lies.
That fools nothing but a Slever always got somthing to say.

Shut up you Slever i never pissed myself.

That Slever tried telling me that Scotland was part of The USA.
by ganja89 September 26, 2010
a mix of sleeping and forever. or possibly when you are very tired, lack of sleep, and would like to go to sleep, your just slevered.
"i was severely slevered earlier today!"
by kingzkrew July 08, 2009