1 definition by Derpa Derpa Derpa

Top Definition
The act of shitting in a persons mailbox, then placing a firecracker in the shit and lighting it. The goal is to see how long it is until the person has to buy a new mailbox.
"Dude! Last weekend was sick! We got really drunk then went and had a Bindi Surprise in somebodys mailbox!"
by Derpa Derpa Derpa June 06, 2009

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