when seniors (specifically in high school) will grow just a little bit of a beard. this is to show off that they are mature enough to grow part of a beard.
kevin: "you gonna shave today?"
andy: "naww, i'm working on my senior stubble."
the act of tearing clothes off while running down the street. most end up almost naked, but some go the extra mile by pulling off even their underwear.
i love street bowling because cartwheels are so much funner naked!