look up any word, like ratchet:
 
2.
The act of a perosn who is chillin, or livin easy in luxury or style. Like a Cadillac Deville cruisen down Campleton road.

Pronounced: Lac'en
A: Ey, shawty, what good withchu killa!
B: Erething streiht nigga, im just lacin at the crib and blazin this phat ass philly.
A: Word nigga, ima come ova en a minute and lac which you homie.
B: Aight den, streiht up.
by Marco "AmP" Restrepo August 15, 2006
 
1.
Lacin is the same thing as cadillacin. It's the shortened version and it means when someone gets drunk and high at the same time a.k.a. cadillacing
I had a shitty day but i dont care cause i know my jim beam and chronic will have me lacin later tonite.
by Wiski October 30, 2006