n. Short for "Dominant." The dominant person in a BDSM relationship or encounter.

2,5-Dimethoxy-4-methylamphetamine
C12 H19 N O2

A powerful psyhedelic/hallucinogenic phenethylamine.
Also known as STP, which stood for "Serenity, Tranquility, and Peace", "Super Terrific Psychedelic", or "Stop the Police". (the name was gotten from STP Motor Oil, and some "drug experts" claimed that they were the same substance)
A famous event that gave DOM a bad reputation was the Human Be-In on January 14, 1967, where 5,000 doses were given away for free. However, they were 15 mg doses, which is unfortunately quite a bit higher than a normal, "safe" dose of the drug. In normal doses,

A guy who DOMinates all that he does..

If he can't do it better than you.. he can atleast do it one handed.

He also (unintentionally) changes his voice when he talks on the phone.. He will often talk in a girlier (not to say girly) voice.

He loves to pick on his siblings and is often best friends with atleast one of his cousins.

Short for "Dominant" this shortened version usually refers to a male Dominant in a BD/SM relationship as opposed to a female Dominant or Domme.

V. To dominate, own, pwn, school, tool, work, etc.
Adj. Short for dominant
N. Short for domination

Originated in Atlanta, Ga in 2004. Now wordage is spreading to surrounding states.

Dirty Old Man. Those people you meet at family gathering and in various public places. They might ask for little girls to join them on their laps. You can tell by the looks of them they just are perverted old men.

A Dom is a young male who enjoys climbing tree to get the rooftops.
Once on said rooftop Dom will slide down the chimney and begin his work.
This busy beaver works his way through the house to collect things to use for his...funtimes.
He has a killer kitten on look out and a cow for a speedy getaway.
Dom enjoys sleeping in other peoples beds.....and fields.
Every morning he is greeted by strange lighting that proceeds to follow his every move till sundown.
At night Dom enjoys the city of owls and the world of shrines and kitten dressed young women.
All hail Dom.
King of the non-transformers.