Mailbox head
A term used by Captian Murphy of sealab, usually describing Marco
I hate Marco, I hate Marco, I hate Marco, and his mailbox head!
Mailbox head
A reference towards jocks and their overly boxy head.
Wow that dude has no neck and a serious mailbox head.
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."