The art of pouring a beverage (of your preference) into a shoe (or any other foot-wear that you may be wearing), and drinking it out of the chosen foot-wear. People who are not cool "wouldn't do shoosies". These people are often then chastised and given a bad reputation due to their lack of balls.
Hey you're a wanker! You wouldn't do a shoosie.
Give me that! I'll show you.
When one is simply too lazy, or feels that they're too cool to write back to ones text message, facebook wall post, or message. Everyone has a few of these people in their lives, and it is time that a stand it taken against this.
Joe: Hey Jimmy, what's been happening? Fancy going out for a few of the coldest cold ones soon or what?
Joe: Since when were you the president of the ARC?