Definitions by I.Like.Noodles

lmbo 

a type of lmao (laughing my ass off) you use either around your relatives (specifically your aunt and grandma who'll smack you into the sun with their sandal) or, if you're a pussy, around you're teachers. lmbo stands for, laughing my butt off.

person one: *tells a funny joke*
person two: lmbo

lmbo by I.Like.Noodles July 11, 2019