Some one who is an alcoholic to such a degree that the alcohol has replaced their brain cells. Now, all they can ever remember or think about is aspects of their life and past related to their sad, depressed, alcoholic lives.
After he broke up with Girlfriend C, Jackass A became an alcotard. Now he doesn't remember anyone before Girlfriend B, not even Girlfriend A. He's such an emo dick. He's fucking Jackass B's girlfriend and getting high with his squadlings. None of his friendsknow him anymore and he doesn't know them. Because he's an alcotard.
A person who has consistently consumed large amounts of alcohol since teen-hood up until present thus hindering his or her own level of maturity from growing or advancing.
Sentence 1: "He was being an alcotard last night."
Sentence 2: "By saying those foolish things was he was presenting to me his level of alcotardation."
The voluntary abstinence of all other forms of nutrients other than alcohol. It is a dietary choice that emphasizes drunkeness over nutrition. It is by no means a long term lifestyle, but can be quite useful in one-off applications.
Q: "Hey aren't you going to have anything for dinner tonight other than booze?"
A: "No that's ok, I am an Alcotarian"
Man I just realized that all I had to eat yesterday was a bagel, I am becoming and Alcotarian
Person 1: "Would you like some Iced Tea?
Person 2: "Is it from Long Island?"
Person 1: "No its domestic.."
Person 2: "No that's ok, Im an Alcotarian"
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.