Heavy Water

D2O, 2 Deuterium, and 1 Oxygen atom. Deuterium is an isotope of hydrogen; it has one extra neutron in the nucleus. Neutrons are what add weight to an atom; this substance is called "Heavy Water" as compared to normal "Light Water." Heavy water exists is most all water, but only in very small amounts (1 in 20 million).

Heavy water is essential to nuclear power using non-enriched uranium. Without it, all uranium must be enriched before use. In WW-II, Hitler attacked Norway for it’s supply of heavy water.

"Heavy water aids in cooling nuclear reactors.

by Contraceptive SpongeBob April 17, 2006

Busch Heavy

Busch Heavy is the beer of choice for rednecks with thick beards and more meat put away for the winter then some third-world countries consume in an entire year. It is only purchased on pay day otherwise it's Busch Light.

Dude it's pay day and you know what that means, let's get a 30 rack of Busch Heavy and throw in a fat lip.

by Longcut May 19, 2017

heavy meat

1. A giant or enormous penis.
2. Literally wrecking pussy with a protracted pounding of thundercock. 'Cock and Awe' fucking.

"I can tell you why Sabrina still has that silly look on her face, Dude. I spent like six hours last night pouring the heavy meat to her."

by Mo Dixley June 13, 2008

Heavy Bertation

A general state of confusion, usually at an awards show or other celebrity event.

Everything started out fine but once the drinks were served the night quickly devolved into very heavy bertation.

by Bryan Ganman March 5, 2011

back heavy

To have a big butt

That girl is very back heavy

by Young Miguelito April 21, 2017

Heavy Cumer

Male of the species that when completing sex, cums in such a large volume that there is a measurable weight shift among the two parties (or one party and a sock)

Terri: Was the first time sex with your new boyfriend amazing?
Anne: It was great, but he is such a "Heavy Cumer" that I put on almost two pounds and barely made it to the bathroom!

by Urban humor May 25, 2016

Dick Heavy

Used to describe a group of people in which there are more males than females.

"Dude, we should call Sara and Angela before we head to the party, we're kinda dick heavy."

by Frank Taylore March 11, 2008