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.
by DatManT January 16, 2017
by Solid Mantis July 20, 2018
by Solid Mantis July 20, 2018
by Bruce god4eva Campbell March 3, 2008
by Ham Cannon November 7, 2003
Steven Hawkings: (In robot voice) Im going to Indiana Mailbox your mother.
Annr Frank: Don’t do me like that bruv, please no.
Annr Frank: Don’t do me like that bruv, please no.
by DaddyDuerk February 14, 2019
by voiceofstl March 19, 2021