An idiom used when an observer notices their friend engaged in an extremely self-centered digression. Serves as a reality check. Inspired through the interactions of siblings: Charlene and Sherwin.
Sherwin: And then, at the tender age of 12, I got my black belt in teakwondo, and then I won a bunch of awards in school and soon you'll be calling me Dr. Sherwin.
Charlene: Well "it's all about meee meee meee" isn't it?
"It's all about the moose" basically means that it's all about the logo/ brand and NOTHING else. The moose is the logo for Abercrombie. If it weren't for the moose, no one would give a shit. The moose is all that counts.
Girl #1: Hey did you get anything when you went shopping yesterday?
Response to any environmental anomaly blaming Al Gore for bringing it to our attention. At the same time sarcastically claiming that if he hadn't brought it up the anomaly wouldn't have occurred.
A) I can't believe it's 60 degrees in Chicago and snowing in Dallas.