A person who says nothing of note, like an email mailbox full of spam mail.
My Maths teacher is such a mailbox, she kept on saying stuff that was not at all in the exam.
by RTGame and Chat January 22, 2023
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Typically, mail boxing requires three people; two being 'together' and the third man being .. unfortunate. In on it Person A will either walk up to Unsuspecting Civilian, and perhaps engage them conversation. Meanwhile, in on it Person B will creeper-sneak behind Unsuspecting Civilian and go on all fours behind them. Person A will then shove Unsuspecting Civilian, who falls backward in a confused and, hopefully amused heap while Person B gets up unaffected. To be a successful mail box team requires time and practice, and it can be beneficial to stick with one partner (especially for the more difficult endeavors). If you find yourself an Unsuspecting Civilian, you should be happy to know that you are worth mail boxing and it's all in good fun (or is it?)

Mail boxing tends to involve three people, but can include many more if a mail box war breaks out. It is a great way to pass gym classes with subs or introduce new members to your crew or track team. (No, it's not hazing!) Such should be done in grassy areas or padded mats; avoid dangerous objects such as concrete and knives. >.>
Morgan: hey, let's go mailbox Broch.
Kristen: okay, shotty knees.

Morgan: Hey what's up?
Broch: Not, much, you?
Kristen: *crawls behind Unsuspecting Civilian*
Morgan: Oh, you know, not much.
Broch: So, you wann--*is pushed*
Morgan & Kristen: *giggle and run*
Broch: What the fuck?!
by fauxnature May 26, 2008
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When someone corners another person and kisses them with no way for the other person to escape
I just got mailboxed by Jake

I'm gonna mailbox that chick over there ;)
by allenssnakes November 25, 2011
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A person who says nothing of note ie. Spam
Don't you just hate those Mailboxes from Microsoft?
by Plasmat1c January 26, 2023
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the act of placing an explicit picture into someone's mailbox covered with white soap which is to represent cum
ma bruu do you want to get mailboxed?

you got mailboxed

hey are you keen to mailbox john

hey billy heard you got mailboxed
by the expozer May 24, 2020
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When a person puts their tongue inside of a uncircumcised penis.
Jenny said she was mailboxing Steve at lunch, she said it tasted like cheese.
by Tuffcuddles June 4, 2019
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Inviting target for heaving melons. Melons may include paradise melons, watermelons, or "gallon" melons. Quite satisfying when contact is made. Points given for damage done. One point for contact, two for dent, three for knocking it sideways, four for knocking it completely of post, or schfifty-five points for taking out the pole and the box.
(That's a record that's only been done once)
"Hey Garrett, let's go mailboxing!"
"Sure, but only if Chase doesn't drive"
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