abbreviation for "young stoner life". commonly used by young thug
just bought a pound of grass cuz im living that YSL
by pimpin_gigolo April 01, 2015
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The abbreviation of Yves Saint Laurent, one of the ultimate French couture designers. In 1985, Caroline Rennolds Milbank wrote, "The most consistently celebrated and influential designer of the past twenty-five years, Yves Saint Laurent can be credited with both spurring the couture's rise from its sixties ashes and with finally rendering ready-to-wear reputable".
YSL, Dior, et Chanel are the pinnacles of French fashion.

by Richer_Than_You January 28, 2009
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Acronym for: You Should Leave

Mainly used in texting or IM situations.

Nicer way of saying GTFO.
person 1: yeah dude i'll just borrow it.

person 2: woah... ysl
by Young Tweak ♠ October 20, 2011
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ysl's= Yves Saint Laurent clothing brand and all that other stuff...shoes <3.
In my cousin's song from the album "Brave" she sang a song called "Mile in These Shoes" and she says "...i cant walk a mile in my YSL's..."
by betchhh. November 13, 2007
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To some YSL is a subsequently *non-violent gang affiliated organization originating from Atlanta, Georgia. YSL (Young.Slime.Life) #SLATT #YSL #Slime
🐍🐍🐍.... unless, of course you're Young Thug aka Jeffery, and then YSL means (Young.Stoner.Lyfe)

Slime (Definition): Slime is slang for homie, brother, son, and other similar terms. Slime is an acronym which stands for 'Street Life Intelligence and Money is Everything'. This particular slang was popularized by Harlem Rapper Vado while working with the Dipset crew.

Now *that being said, I wouldn't mess around with anyone because of their affliation or affiliates (especially not YSL)
Son: "What's YSL Gang daddy?"
Father: "YSL is Young Slime Life son, don't get mixed up with those guys. That's where mommy ended up when we moved to Georgia, she loves her some Slime"
by Y$LJJ November 14, 2017
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