Hydrobutt 

After taking a shit, a splash of toliet water enters your butthole, leaving you with the unpleasant feeling of nasty toliet water in you asshole.

My day was completely ruined after I took a huge dump and got hydrobutt.

Hydrobutt by Areez October 30, 2007

hydrobation 

Masturbation aided by water.

Doug: "Yo Yo Yo i was wackin it in the tub with the water flowing over my wang-no hands needed!"
Chantel: "Yeah G, i was working myself with the showerhead this morning. Those pulsating jets get the job done."

Doug/Chantel: "Hydrobation is the best!"

hydrobation by Andrew/Jason XC February 22, 2009

Hydrobaiting 

(V) The process of using liquid water during the act of masturbation.

"Sorry I was in the shower all morning, I just felt like hydrobaiting a lot today."

Hydrobaiting by Vattify June 16, 2015

hydroxybutt 

A fine ass that used to be fat.

Damn, have you seen Lisa's hydroxybutt? That girl has lost some weight....

hydroxybutt by Jessin January 23, 2008

hydroautodefenestratiaphiliaphobiaphilia 

To be sexually aroused by the fear of being sexually aroused by throwing oneself out of a window into water.

Rhys: Why did you masturbate while you jumped out of a window into the pool?: John: Sorry, I have hydroautodefenestratiaphiliaphobiaphilia, I just couldn't help myself. It runs in the family.

hydroautodefenestratiaphiliaphobiaphilia by lend_a_crackah_a_pencil May 7, 2014

reverse hydrocution 

According to Patrick Beja from Blizzard Entertainment and The Instance, it is the shock the body feels after the "Polar Bear Challenge", where an individual gets into a hot tub, then jumps into snow, then returns to the hot tub.

That's dangerous! Can't you get...like reverse hydrocution...er something

reverse hydrocution by theJdawg September 19, 2010

hydroblunt 

the act of smoking a blunt through a bong or water pipe

dog fuck the bowls lets just hydroblunt!

hydroblunt by kushsmoke October 2, 2009