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’.

idioms with the body part ‘bum/bottom’

Let’s look at some popular body idioms that contain the body part ‘bottom’ or a synonym of the word.

I’ve added the meaning and an illustrated example too.

bum/bottom idioms