What is a bum?
The bottom is located at the rear of the body below the hips. It’s the big fatty lump we sit on. There are many different words we can use to describe the bottom, they include: ass, backside, behind, booty, bum, butt, buttocks, derriere, posterior, rear, rump, and tush.
The plural is ‘bottoms’ or ‘bums’.
