"Yo, remember that video of an Indian kid having sex with a chicken". "LMBO! YEA MAN! shit was funny!"
by Axl_Rose9 October 06, 2016
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.
by I.Like.Noodles July 11, 2019
"Laugh(ing) My Back Out" A new interpretation of lmao by the older generations now finally accustomed to the Internet.
by Kerorasumaru February 03, 2016
Means "laugh my bones off". You use it if you don't have an ass to laugh off in the popular term "lmao"
by Sannesafir December 30, 2016