When Back It Up [Chorus:] Back That Ass Up Like A Tonka Truck Back That Ass Up Like A Monster Truck Back That Ass Up Like A Tonka Truck Back That Ass Up
Knows When Back It Up [Chorus:] Back That Ass Up Like A Tonka Truck Back That Ass Up Like A Monster Truck Back That Ass Up Like A Tonka Truck Back That Ass Up