Mop it Up

Mop mop mop mop mop mop mop it up
Mop mop mop mop mop mop mop it up
Mop mop mop mop mop mop mop it up
Mop mop mop mop mop mop mop it up

What the fuck is that shit that I found stuck on the floor
I've never seen anything like that down there before