Listen now (4 min) | A spectre is haunting culture - the spectre of piss. From Buzzfeed videos of people drinking their own piss for the first time to Bear Grylls achieving a strange sort of fame for his piss-guzzling survival antics, we love to watch people drink urine. Piss is everywhere and yet the prospect of enjoying it in sex, known as ‘watersports’ or ‘golden showers’, remains taboo.