a sudden, hysterical outburst of laughter; uncontrolled. usually followed by assorted jibberish. almost always expressed through text. usually a misspelling of lmfao. read: lmmfao, lmfao, lmao, etc.
me: <insert joke> ..... you: KNFAI
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Cool old dude from aussie
ur kidding use Capt vegemite in a sentence....heeey
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