PopUps: In New Pic, 'World's Hottest Math Teacher' Leaves Little to the Imagination

The male model and engineer dubbed the "World's Hottest Math Teacher" teased his 2.1 million Instagram followers with a revealing picture of himself in a Speedo.

Captioning the pic "poolside gym what more," Pietro Boselli is seen wearing a very small and very right bathing suit, leaving little to the imagination. In the background, a gym can be seen. Boselli also included his location, Masseria Spesseto, a hotel in Brindisi, Italy.

Unsurprisingly, the pic has earned over 111,000 likes in nearly 24 hours.

Check out the steamy photo below.

This story is part of our special report: "PopUps". Want to read more? Here's the full list.