Though Twitter users had been commenting on their gray sweatpants predilection as far back as 2014, this roundup of photos culled from Tumblr and Instagram publicized the trend on a large scale.
There are people whose inbox always reads zero.
The challenge is also a great way for people to find other singles on social media.
It's common knowledge that gray sweatpants tend to highlight a gentleman's, er, appendage, and a new challenge sweeping Twitter has a fresh take on this titillating garment.
There are certain garments that are harbingers of overt seduction: women in a La Perla bra, he says, or a gay man in a jock strap.
I mean, just look at these sizzlin' studs.