Urban Rebound
When you jump in the nude on a small trampoline and poo yourself, causing the poo to bounce off of the trampoline, and shoot back up your butt from whence it came.
Dude, I urban rebounded last night, my ass is so torn up!
urban rebounder
A mini trampoline that provides low impact cardio workout while bouncing.
urban rebounderrejuvinating workout FUN