Glitter boobs at least made some sense.
Festivals are all about letting loose your inhibitions and for some, a healthy dose of nudity – so covering your breasts in sparkles was just the ticket.
But women on the internet are now turning their boobs into squishy, fleshy hearts and no one’s totally sure why.
According to Metro, over on Chinese social media site Weibo the cool thing to do is shape your breast into a heart using your fingers – cunningly using your top digits to tuck your nipple out of sight.
It doesn’t seem to raising money for charity, and it doesn’t actually look that ‘challenging’ per se, but it’s called the ‘heart-shaped boob challenge’ none the less.
And now women over in the West are following suit.
Though it has yet to truly kick off over here in the UK, so if you fancy it, your boob is your oyster.
It’s one way of getting boobs online without triggering Instagram’s anti-nipple filters.
Though don’t squeeze too hard.
Read more from Yahoo Style UK: