Top Definition
An add-on to the internet lingo word lol, basically. LOLLASC stands for "Laughing Out Loud Like A Stupid Cat" (ref- Teacher's Pet, episode "One Dog's Junk"). Almost never used except for people who have seen the episode.
person1: -and then I said "shut up you heffer!"

person2: lollasc that's funny considering she's not fat!
by GalaxyDancer April 16, 2005
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