Pony Express Edit Meaning

1.

the act of defecating into a mailbox. a particularly difficult technique usually used as a punishment.

-Dude, Bill Six shit in his ex-girlfriend's mailbox!

-Ah, yes, the pony express!

2.

While having sexual relations from behind, the giver takes a tube sock, and uses it as a bridle to rein in the taker.

The best part of using the pony express technique, is it forces your gilrfriend to shut up during intercourse.

See tire iron