Louisville rapperJack Harlowis a TikTok sensation.
The 22-year-old released the hit track “What’s Poppin” on Jan. 21, 2020 (viaVulture).
Thanks to the explosion of the video-streaming app TikTok, Harlow’s hit single blew up.

This edition of the song reached over 381,000,000 streams onSpotify.
Jack Harlow admits that he uses the phrase a lot.
“I say that greeting a lot when I run into people, when I’m on the phone.

What’s popping?”
He said, viaGenius, “That’s something that I’ve experienced since I was young.
I would have friends in my life that I felt were more, more jealous than encouraging.
And I think everybody kind of goes through that.
You have friends that you realize might not had the best intentions for you.”
In the song, Harlow also shares a lot of personal details.