an alternative word to french kiss/make out/tongue. it is less well known so can be used infront of others who you may not usually discuss the matter in front of.
Guy 1: dude, i totally got a lac of that hot girl last night.
Guy 2: you lacced her? me too!
Thien is a lac ass nigga for not hosting.
Thien is lac because he drives an rsx and cant hang out.
By Emilie
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.