Mailbox Fishing 

Going around a neighborhood and stealing mail from mailboxes to sell someone's information online or to find credit cards, checks, gift cards, greeting cards with money, etc.

Mailbox Fishing is a federal offense that is punishable by imprisonment.

Someone was mailbox fishing in my neighborhood because I'm missing very important mail that I should have received last month.

Mailbox Fishing by Legend1999 February 28, 2019

mailbox dog

tiny dog that yaps and tries to bite you and won't shut up. the idea is that any dog that can fit in a mailbox should be classified as a rodent. yapping is suggested in order to meet mailbox dog standards, but not required. see also puntable.

"that would be a fun bike ride if it wasn't for that f---ing mailbox dog at the end of it"

"yeah, that dog is such a puntable"

mailbox dog by angus bohanon July 1, 2006

Mailbox Mobbin'

The act of going around a neighborhood, usually in a vehicle of some kind, and using a variety of objects, primarily pumpkins, to fuck up some people's mailboxes.

Hey Kevin, guess what we did last night." "What Cameron?" "We went mailbox mobbin' and totally fucked some nigga's shit up. Cost $1500 in damages that they can't pay with all that child support!

Mailbox Mobbin' by Camelspoon October 21, 2010

mailbox millionaire 

a welfare recipient who behaves as if they are rich, spending cash the week after receiving their government check only to be broke for the three weeks remaining until their next payday.

During the first week of the month, Walmart is filled with mailbox millionaires.

mailbox millionaire by minasue October 11, 2013

Mailbox Head

Having a large and squarish head that resembles a mailbox. A lot of the times people with mailbox heads eat ass. occasionally they will have spiked or raised hair resembling the flag on a mailbox.

"Have you seen that dude grant? He got a Mailbox Head."

Mailbox Head by DatManT January 15, 2017

Mailbox basketball 

Basketball for midgets since midgets can dunk on a mailbox.

Look, the two midgets are playing mailbox basketball over there!

Mailbox basketball by Solid Mantis July 19, 2018

Mailbox man 

A superhero who's uncle was killed over the $20 in his nephew's birthday card by a mail thief.

Mailbox man-All the mail I save won't bring back Uncle Sammy, I know, I just miss him.

Mailbox man by Solid Mantis July 19, 2018