Hydrole 

Some person who gets pissed when you call them hydrocele, also easy to make puns from.

Person 1: Hey Hydrole.
Person 2: Hey HydroCELE.
Hydrole: How about you fucking don't?

Hydrole by Hydrole August 10, 2018

Hydrogen-Sulfide 

What be makin farts stank.

Hydrogen-sulfide is what be makin farts stank.

Hydrogen-Sulfide by LidaMif March 19, 2010

Hydrogen oxide 

A scientific word for water. H2O. Not to be confused with deuterium oxide, which is heavy water (D2O).

A: I filled these ballons with hydrogen oxide.
B:What's that?
A:It's water.

Hydrogen oxide by HawaiianPunch1 July 31, 2010

hydrogen hydroxide 

The term "hydrogen hydroxide" means a hydrogen ion (H+) bonded to a hydroxide ion (OH-). when you put those together, you get H-O-H, which is of course H2O, which is water!

Dude, I need some hydrogen hydroxide!

What?

Hydrogen hydroxide. . . . You know? A hydrogen ion and a hydroxide ion bonding? H2O? WATER?

OOOOOOOOOOOH.

hydrogen hydroxide by Ubiquitousian April 15, 2011

di-Hydrogen monoxide

a substance that sounds creepy, but if you write the formula out, think again...

Bob: di-Hydrogen monoxide is gonna destroy the world

Joe: idiot... (takes a large gulp of water)

di-Hydrogen monoxide by dab52 January 1, 2012

Hydroluvious 

Hydro "Water, Liquid, Urine"
Luvious "Fit's of Hysterical laughter or Similar"

Hydroluvious is where one person Urinates within their clothing due to extreme laughter.

Also known as Pissing yourself laughing. (PMSL)

Hydroluvious by Squidillydiddilly January 19, 2010

Hydrogenic 

A substance or an entity primarily or partially composed of hydrogen atoms.

"Water is wet because it is hydrogenic"

"I'm hydrogenic because I'm made of water"

Hydrogenic by Dingo224 January 11, 2021