Top Definition
A day that everyman in the world has to jack off. The date of national jack-off day is May 5. The best time to jack-off would be 5:55 on 5/5.
Yo im so pumped cause tomorrow is national jack-off day and i can wait to bust a nut everywhere
by floppy sausage April 23, 2008

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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