When your dick skin gets stuck in a girls braces as if slamming a mailbox door on your testicles.
That bitch Ta'Shika gave me a Nebraskan Mailbox, that shit hurt like fuck!
by The Butt Muffin April 12, 2016
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The second tuesday of every month, when one indulges in a mass amount of cannabis smokage.
Joey: Hey man its the second tuesday of the month!

DJ: Mailbox Tuesday! lets smoke a ton more weed than usual.
by MBTjustin April 21, 2010
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