LMKBO 

"Laughing My Knotted Balls Off"
There is a possible way of a man getting their balls tied in a knot and online insted of using the usual LOL or LMFAO or LMAO ect. people that know people that have gotten their balls tied in a knot or just want to use the term say it when something is incredibly funny.

IMperson1:so he said omg you got pooped on by a bird
IMperson2: LMKBO!!!!

LMKBO by HarajukuLolita August 27, 2005

LMFBOAT 

L - laughing

M - my
F - fookin
B - booty
O - off
A - at
T - that

Pronounced like "limf boat" in speech.

Person 1: "Yo! Did you hear about that person that's so concerned about being stalked that they only put their initials on their social media page? I found their LinkedIn profile!"
Person 2: "LMFBOAT! What a scrub!"

LMFBOAT by Xx_bigbrainboi_xX December 27, 2020

Lmbo 

Lmbo is a more appropriate version of Lmao for people who want to kiss their mother with a clean mouth. It stands for "Laughing my butt off", "Laughing my bones off", "Last mountain bird observatory", "Little mister Bobby Opal", or "Lying my behind off".

"Lol u r SO funny"
"Lmbo, I know!"

Lmbo by Definitions@123 April 3, 2022

LMBBO 

Let my Bum Bum out ! lyou say it on msn

when someone you don't know talking with you!

1: hey

2:who the hell is this?
1:it's shane
2: i don't know you

1: asl
2:LMBBO ! ignored !

LMBBO by YUS YUS BUM BUM September 4, 2010

lmibo 

laughing my inner bitch out

*says something funny*
y/n: lmibo

lmibo by bippity boppity flop ho October 16, 2019

lmboo 

Laugh my body oder off

Joe-Ew you smell
Bob-HAHAHAHAHAHAHA
Joe-You smell better now.
Bob- I just lmboo'd

lmboo by blabh February 23, 2017

lmbo 

Laughing my butt off. A less dramatic version of LMAO.

I fell off the cliff and died.
LMBO!

lmbo by Kevin January 18, 2005