Top Definition
an acronym meaning "rolling on the floor laughing my fucking face off"
rarely used.
1: OMG d1d u z dat guyZ h4t??!!##@

2: ya fo sho mah negr0. ROFLMFFO.

(what he actually did: -.-)
by uber1337zorZorOMG January 24, 2009
14 Words related to roflmffo

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