Caribbean Concrete Challenge

The action of grabbing a funnel and shoving it into your partner's asshole and pouring wet concrete into the funnel, allowing it to pour into their asshole, and once the concrete hardens, the partner has to try to shit it out, in which they win a bet of 20 dollars

Guy 1: me and my partner did the Caribbean concrete challenge
Guy 2: are you and your partner okay
Guy 1: yeah