slu 

The process of smoking marijuana, originated in Lindsay, Ontario.

DJ Skeez: Yo, you wanna smoke a slu?
MC Bangin: yee let's rip it

I smoke slu every day homie

slu by krpt January 8, 2008

Slu 

pronunciation: "SL-EW" correct spelling: "Slu"
The word slu originated in a Southern Toronto area. Most recently has been used in correct terminology in a small suburb of Chicago. Elmhurst College, Illinois to be specific.
The word "Slu" has a broad range of uses;

A "slu" can be considered a betrayer, a backstabber, a "dirty" trickster, someone whom is untrustworthy.

For the most part anyone whom is rude.

1. Don't slu me.
2. Stop Sluing.

3. (Name) your a slu.
4. Don't be a slu

Slu by DRG, KFS November 5, 2009

Slu 

Is a slut, can also call someone a "Vivi" to refer to someone as a slut.

"Damn that girl gets around, she's a fcuking slu!"

"That girl gets on with hellla dudes, she must be a Vivi."

Slu by CheezeGrater May 15, 2009

SLU 

a liberal arts college in northern new york aka St. Lawrence University

Yeah the slu xc team is looking pretty nasty this year

SLU by Farrell April 26, 2005

slu 

Dresses to flaunt his/her body and acts provacative and indecent like a slut, but unlike a slut: can't get any.

What a slu, she tries so hard and still can't get any.

slu by pnksktlz September 20, 2003

Slu 

To give a blowjob. Oral Sex

Ex. 1 "Dude, she gave me that good slu last night!"
Ex. 2 "I'm looking for some slu, any takers?"

Slu by Indians Ball February 9, 2012

slu 

A girl that is not quite a slut, but minorly promiscious with kissing other boys, and thinks she a better than she really is. aka. a tease (slut minus the t) commonly found in baltimore, MD

Do not call Aubrey a slu Colin!!

slu by ACnigga October 8, 2006