l.m.a.o.
has the following 2 definition(s) + add your definition
laughing my ass off
laughing my ass off is used in Acronym Slang Internet
laughing my arse off
laughing my arse off is used in Acronym
The word l.m.a.o. is used in Acronym, Slang, Internet meaning laughing my ass off,laughing my arse off