(n) An affectionate term to describe someone socially inept (or at least awkward). Moose tend to have specialized knowledge on some geeky topic, such as star wars, dnd, star trek, lord of the rings, etc. Drama and art majors tend to be moose. Acts of moosery are possible from anyone whether they are a moose generally or not, as long as they miss some conversational subtlety and fall on their face in an attempt to make a joke. Moose tend to have trouble getting dates, because moosery is not as celebrated in this society as it ought to be.
(origin) From the movie "Stay" with Ewan McGregor.
(adj) moose. can also be used as an adjective to describe someone who is a moose.
Some famous moose are:
Benny and Joon,
Characters from I <3 Huckabees,