1 definition by mercboyan

Top Definition
Acronym for 'Crying My Face Off.' Often used in games after losing to another player or when speaking emotionally online about relationships or anything related to crying.
I can't believe I lost! I'm going to bed CMFO.

When she dumped me I was CMFO, but later I was like WTF!?
by mercboyan September 26, 2008
Mug icon
Buy a cmfo mug!