Xephon 

From RahXephon: The proper name for the mecha Kamina Ayato pilots in RahXephon until Kamina achieves Yeoteotl.

The Xephon has the ability to shoot energy arrows and create an energy barrier among other things.

Xephon by Wedge February 24, 2004

Xephon 

The part of the body that is located on the back of ones leg, directly behind the kneecap. It is one of the most useless yet most interesting body parts known to man. It is also abnormally sensitive.

Stop it, my xephon is ticklish.

Could you stay away from my xephon? Its so sensitive right now

Xephon by xextar October 31, 2008

xyphon 

a person who likes to sleep in the outback by themselves during the summer months

Wow, you slept in the woods by yourself? You're such a Xyphon!!

xyphon by Sarah Jane Schauer July 4, 2007

Xerphonicing 

A term used for when you threaten suicide against someone else if they don't give you enough attention.

"Omg, I can't get enough of this girl. I've been xerphonicing her all night."

Xerphonicing by Nothern_Monkey August 3, 2017

Xyphoniaphobia 

Xyphoniaphobia

zy-foh-nee-uh-foh-bee-uh
Is a word I made for the fear of xylophones
dont ask bbq ☺️

Baby: *Plays with toy xylophone*
Weird person: Baby stop!! I have Xyphoniaphobia..
Baby: Weirdo but ok.

Xyphoniaphobia by Bob lob on a cob October 27, 2023

Xephonin 

Xephonin uber or ghetto

man that cadillac is xephonin

Xephonin by Anonymous October 18, 2003

Xepheniah 

A amazing handsome boy who can pull anyone. They probably love horror movies and writing. They are jokingly mean sometimes but thats how they show affection. They usually have a small friend group and are very tall and can be spotted making fun of shorter friends. Theyre favorite comback is usually bringing up someones height

Boy1: dude why is Xepheniah so tall
Boy2: ikr he’s like 6’0

Xepheniah by Kesh! August 9, 2021