What is Sleen?
1.
something described as slick and clean at the same time.
"yo man, that ride is sleen" "that's a sleen haircut"
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2.
Common abbreviation of the lovely name 'Celine'. It certainly does not mean any of those other nasty things. :P
Sleen digs the urban dictionary very much.
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3.
v.t. to engage in anal intercourse (contraction of the trade name of petroleum jelly - Vaseline - tm) also sleener
After much pleading, James agreed to allow Patrick to sleen him.
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