LMBO

alternate way of expressing extreme laughter, to the extent where ones burca falls from ones head. Not enough for one to 'laugh ones ass off', but enough for a burca to fall.

Sarah - "Tacco Tacco BURRITO!!"
Roxy - "That's so funny LMBO!!"

LMBO

Let my boner out

When working around the bases with the woman of your dreams you slowly whisper lmbo in her ear.

LMBO

Laughed My Butt Off.

It made me LMBO.

LMBO

"Letting My Balls Out"

"I don't understand Evolution, however I am LMBO"

LMBO

Laugh my bowl off, in reference to Saint Dylann Storm Roof and his signature bowl cut.

Lmbo = lmao

LMBO

LMBO (Laugh My Balls Off)

I get a text or read something from a social network that is funny, I reply LMBO Laugh(ing) My Balls Off

LMBO

laughing my boobs off.

boberta: omghh, thats soo funny. im like lmbo.