Life Is ‘Hot Girl Summer’ still a thing? Here’s where it originated and what it means. July 28, 2023 Clare Mulroy, USA TODAY Comments Off on Is ‘Hot Girl Summer’ still a thing? Here’s where it originated and what it means. "Hot Girl Summer" is the pinnacle of Gen Z slang. It originated with a 2019 Megan Thee Stallion and Ty Dolla $ign song.