Two teams of two best mates are dropped into an unfamiliar major city, and their phones are confiscated. Five of the most vile and degrading sexual acts are picked at random, and each team has two hours to track down hookers who are up for it.
At the end of the two hours a penalty of twice the going rate incurred for any unfulfilled acts. The winning team is the team who spent the least money.
It is essentially Bargain Hunt but with more aggressive anal penetration.