lmnb 

short for Lick My Nuts Bitch

Steve:Hey that shirt looks gay on you
Josh:LMNB

lmnb by seanzz July 2, 2006

lmnbvcxz 

When you are sooo bored you type the whole bottom keyboard line backwards plus l

Hey why are you still here go do something worthwhile

Urrgh Im so bored. lmnbvcxz!

lmnbvcxz by \_('')_/ February 19, 2020

Lmnbo

Laughing My Nerdy Butty Outloud

CHAT ROOM;

Nerd #1: Hey, man, how many Celsius is right now...

Nerd #2: lmnbo... hell, I have no clue...

Lmnbo by Yoshimaticz May 16, 2011

LMNBO

Laugh My Nigger Butt Off

LMNBO. Girl, that was so funny!

LMNBO by Retnuh1 June 6, 2010