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Well, it means "rolling on the floor laughing *something something something something*." Some think it may be "...laughing my f***ing a** f***," but that really makes no sense. People commonly search for this term because they play World of Goo.
ROTFLMFAF, MOM knows best.
by Goo-er April 21, 2009
27 8

Words related to rotflmfaf

lmao rotfl rotflmaf rotflmao rotflmfao