What is the meme of the summer?

This was a mess of a summer. This was the summer of Suicide Squad, and that play about grown-up Harry Potter, and a seemingly endless string of horrific world events, and record high temperatures, and La Croix-themed birthday cakes, and Trump. And there was no song of the summer this year. No glittery pop confection, no windows-down hip-hop, no elegy to lost love that was well-suited to a club version with a sick drop. Nothing. No Fetty Wap, no "Summertime Sadness (Dance Remix)" no "Call Me