What is Pony Express?
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.
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