I don't know why and I don't care, but the internet seems to be all about slow motion bouncing boobs today. I'm not one to complain, and I'm also not one to keep such a glorious thing all to myself -- especially when one of the videos features the buxom 99X favorite Kate Upton.

Warning: mute your speakers unless you like 90s chick rock.

Bonus Slow-Motion Footage

More From Highway 98.9