Top definition
something described as slick and clean at the same time.
"yo man, that ride is sleen" "that's a sleen haircut"
by kocheese May 29, 2006
Get the mug
Get a SLEEN mug for your girlfriend Helena.
2
A word with many meanings, can be used as an insult due to it's origin's being a type of Lizard, or alternatively as a way of describing a party/ drinking session.
As an insult/ banter
"What are you, a sailor"
"Filthy slut"
"You're a fucking sleen"

As an adjective
"So, Larry's party tonight in town, all in for a long one?"
"Yeah man, we're gonna get Sleened!"
by HarkinsEgo December 18, 2011
Get the mug
Get a Sleen mug for your mate Yasemin.
4
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.
by Harold B. Slusser April 28, 2006
Get the mug
Get a sleen mug for your father Callisto.