look up any word, like sex:
 
1.
A hybrid type of pant having characteristics of both slacks and jeans. Typically these pants will be made of cotton which look and feel like slacks or khakis but will have heavy stitching and pockets that resemble those found on demin jeans.
"Why the fuck is Sami wearing jeans to the office? It's only Tuesday." -"Those aren't jeans he's wearing, they're slacks that look like jeans, motherfucka's wearing sleans."
by Canned Applause November 23, 2005
 
2.
Its a combination of standing and leaning.
I'm sleaning, or I sleaned against the wall.
by Guy U met In crete May 20, 2009