instahot

when you only look good online/instagram, and not in real life.

Dude, that girl is so instahot. Such a disappointment.

by annnnoooooonn December 28, 2016

instahot

The second you get into a car after it's been sitting in the hot sun for hours and your clothes, jewelry, and everything on you heats up in the worst way.

Man, I barely got in the car and I'm already instahot! I'm sweating, gross..

by TFS July 24, 2005