A day of celebration for dicks. It usually falls on August 18th.
Guy: Your birthday falls on the same day as Penis Day.
Guy 2: I wish you never brought that into my mind. Don't do that again.
by Lord_Prussia September 05, 2020
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In New Zealand, September 4th is national penis day. Heaps of guys in each of the main cities go to a public place (like The Square in Christchurch), get naked and stand in a formation so as to form a giant penis. Lots of chicks and dirty old men go.
James: "Hey Luke, lets go to The Square to see your mum"
Luke: "What do you mea... HEY!!"
by Poon-Master Phoenix September 04, 2003
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A day when your penis is larger and floppier than normal.
Once Barry realized he was having a good penis day, nothing could get him down.
by jbarryd October 27, 2016
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A day where only the longest penis men get celebrated with hand-jobs. Very special and very good
Hey, what are you gonna do with ur girl on “National Penis day
by user194828 February 10, 2020
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Occurs every day of the year <3 feel free to cut off a penis!
Person: I'm going to cut off your penis
Rapist: What?!
Person: It's national cut off a man's penis day! You deserve it
by Spyd3rs April 12, 2021
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