Top definition
An acronym that stands for, "Laughing my cats off." Originating from the geeky MacRumors forums where a member laughed so hard, his/her cats were scared off the bed.
"Dude, I heard that Apple's gonna release a PowerBook G5 next Tuesday!"

"LMCO"
by joe_schmo February 08, 2007
Get the mug
Get a LMCO mug for your daughter Jovana.
2
Laughing My Cats Off: Laughing at something while ones cats are on your bed, causing them to fall/jump off the bed. Therefore - Laughing my Cats off
<Joke>
Hahaha, LMCO!
by Mark Nicholson February 08, 2007
Get the mug
Get a LMCO mug for your daughter Helena.
3
A new term for 'LOL'. Means laughing my cunt off.
Kelly - "LMAO!"
Arielle - " Don't you mean LMCO?"
by Valencia Kreemy September 20, 2008
Get the mug
Get a LMCO mug for your cousin Bob.