What is the standard method to measure butt size?

The standard unit of derriere size is the Lopez.

Using the 'love don't cost a thing' video as a visual benchmark.

As an example Kim Kardashian's ample backside registers as a 2.5 on the Lopez scale of arseness.

A butt in the UK is a large barrel, usually for water. An ass is a donkey. You're confusing me

yes, airlines figured it out.

Archimedes. Immerse your butt in a bucket and see how much water it displaces.

Oh jeez who cares.

The universally recognized measure of butt size is the Kanye.

It's based on the angle of curvature of a hand the exact dimensions of those possessed by Kanye West when gripping the subject cheek with a pressure of exactly 10 pascals.

There's probably a Reddit page about this.

See how big ur penis gets