All his best days are now left behind.
I think I'm hitting ROCK BOTTOM
It's one messed up, ugly ass tattoo.
ICU baby, shaking that ass
Arse skin for a friend
When you are afflicted by Heaven with pain down your back, buttock, and hamstring: SCIATICA D'SHMAYA.
Source - from the jokes forum.
When you fart, your buttocks (butt talks)
Mom: All these Hollywood people inject drugs in their butt to make them bigger.
Dad: What buttocks ?