Definitions by Step-Sus

LMFCBO 

LMFCBO is an abbreviation of 'Laughing my friggin Christian butt off'.

Person 1: *plays funny video*
Person 2: Hahaha LMFCBO
Person 1: IKR! I'm totes LMFAAO

LMFCBO by Step-Sus August 24, 2021