when something is super dope. when something is 🔥, or just poppin in general. Pronounced as "lit", but with gusto.

• Optionally you can dab while saying it.

• Optionally, add extra 7's for emphasis
Marcus: "Dude did you see the concert last night? it was so dope amirite"
Jahlil: "Yea fam shit was str8 L17" *dabs*

Glüüük: "yo I heard we're discussing Cnideria today in bio it's gonna be L1777777"
Marcus: "lol nerd"
by uzebeckatrente March 3, 2020
Get the L17 mug.
When something is lit. It will be the most fun to use during 2017
This party is L17
by Enolah November 13, 2016
Get the L17 mug.