Xertun

A niche internet microcelebrity who started the r/xertunposting subreddit.

Contrary to popular belief, "Xertun" is not actually a slang term for cats.

Xertun really is posting, huh?

by JohnSwagma February 4, 2026

Xertun

A slang name for cats. Used in a similar, endearing manner to 'car' or 'wunkus'.
Primarily encountered in the niche sub-reddit forum r/xertunposting.

discussing a cat gif - Oh boy that's such xertun behavior, I love cars
- xertun 🚙🚙

by m._z.d August 14, 2025

Xerunox

The slang term used for when someone fucks their keyboard.

Ugh, he's xerunoxing again.
Why does he keep xerunoxing?

by anonymous August 2, 2021