hydrogen fuel cell

Americas hope for becoming independent of foreign oil.

This hydrogen fuel cell car runs off of hydrogen and produces only pure water as a byproduct.

by ewalsh February 20, 2009

Hydro dream

When an instance of sexual excitment occurs in one's sleep, it may cause one to spurt. If the spurt released is a small one, it is merely a wet dream. If you need to pressure clean your blankets afterwards, it is a hydro dream.

Man, I almost drowned my mother in that hydro dream.

by Benjamin "Benny" Dover May 19, 2009

the hydro pump

the sexual act of taking two fists and pumping them in and out of the vagina

man jay daddy took the hydro pump like a pro

by stankyvag May 1, 2009

hydro

Canadian slang for electricity, due to the high usage of hydroelectric power and the fact that most of the electric companies have "hydro" in their names.

I had to pay the hydro bill.

Hydro Quebec, Manitoba Hydro

by cjohnson November 17, 2007

Hydro Flask

A really great water bottle! They’re a little on the spendy side, ($39.95 for 32 oz) but they really are the worth the price, they hold ice for about two days (unless you keep refilling it). They are also much better for the environment than plastic water bottles!

Guys, I bought an awesome stainless steel water bottle!
Oh it must be a Hydro Flask

by KarlKangerooMan February 24, 2019

hydroholic

one who consumes far too much h2o

my friend is an hydroholic, he drinks far too much water far too many times throughout the day.

by skelastic December 14, 2008

HydroFlask

Is A Very Popular Water Bottle Brand, Mostly Used By The Vsco Boys And Girls For Their Look And For Drinking.

That HydroFlask Is SO Cool, It Must Have Been Expensive

by Not-So-Popular September 3, 2019