Extreme Casual

The type of clothes you wear when you know you're going to get absolutely wasted and possibly lose them or vomit all over them.

Clothes that have grown old and you don't really care about.

(abbr.) EC

B Rad : Yo dudes, there's a Floor-Meeting tonight, you in?
Bettsy: Shit yeah! Extreme Casual right?
B Rad : Right.

Dugong: Got my EC clothes on man. I'm buying!
B Rad : It's on, let me grab my shitty shoes and I'm ready.