Inside the 49,000-member movement dedicated to peeing in the sink

Let this sink in (Picture: Getty Images)

‘The first time I urinated in a sink was around the age of nine,’ ShrekMemes420 (as he asked to be identified) tells Metro.

To this day, he can ‘distinctly remember’ the moment his father unplugged their bathroom drain after a day of DIY, producing a ‘satisfying, hollow glug’.

‘I imagined the thrill of attempting to urinate into that unrestricted opening,’ says the now 29-year-old. ‘There was something strangely gratifying about it, like a golfer landing a hole in one; an oddly perfect moment that’s hard to put into words.’

From that first illicit sink pee, he was a convert — and in the years that followed he became more ‘brazen’ with the habit, now relieving himself in basins both in and outside of his own home.

It wasn’t until SM (shortened...