Lac 

Another form of shady, shadiness.

Thien is a lac ass nigga for not hosting.
Thien is lac because he drives an rsx and cant hang out.

Lac by Mr Shady March 8, 2009

LAC 

Liberal Arts College. Common abbreviation on College Confidential (the website).

The transfer acceptance rates for the top LACs are as follows...

LAC by Howard Roark June 24, 2007

LAC 

Legion Of Artistic Criminals
A graffiti crew based in Rangoon, Burma. Started around the end of year 2009. This crew was formerly known as BOB crew and then changed name to LAC as a few new members joined in. Now LAC crew represented in France, Australia, Singapore but mainly based in Burma.

A fairly new graff crew based in Burma
LACs- living against Capitalism

LAC by coldomatic November 1, 2011

LAC 

Liberal Arts College

LACs tend to place more of an emphasis on undergraduate education and offer a more traditional, broad, and general education across the academic spectrum.

LAC by Superlove Librarian April 30, 2019

lac 

short for relax or relaxed.
used to decribe someone or something which is the epitome relaxedness, often to the point of incredible lazyness.

"hey man lets go lac at the beach"

"just lemme get my lac pants on before i smoke this bowl"

"Harley Jerram" - see ballhead

lac by dub aych kay October 20, 2010

LAC 

Law abiding citizen

I'm not a gangsta; i keep it LAC, son.

LAC by trinh nguyen May 1, 2008

LAC 

Abvreviation for Loud Ass Cracker

Southern Guy #1. Yeah, That guy is tearing up that mud pit.
Southern Guy #2. Give them hell boy
Yankee Girl. Will you Lacs shut up
Both southern guys. You smoke?
Yankee Girl. Yes I do.
Both guys proceed to blow smoke from their duramax trucks into the girls smart car

LAC by XxDemonKingxX February 5, 2019