LMDAO

Web-speak for "Laughing My Damn Arse Off". Derived from LMFAO, and also used in many of the same contexts as LMAO.

"My God, do you live near me? It's a small world! LMDAO!"

by Kishi Kat December 28, 2005

Lmdao

Laughing my dumb ass off, or a misspell for laughing my fuckin ass of, Lmfao.

Jen: LMDAO
Rob: wtf?
Jen: sry misspell
------------------------
Jen: LMDAO
Rob: u r a dumbass

by SEXMONKEY12121212 December 4, 2008

lmdao

Laughing my damn ass off

That joke was so funny, I'm lmdao.

by roas July 11, 2019