adj. used to describe the friend or not so friend that has absoulutly no life of their own, so they are constantly at your house, eating your food, and drinking your beer.
WARNING: if you feed them once they never leave.
mike: what the hell bro, kieth is here all the time now.
bobby: i know dude, i envited him for BBQ and beers one time, and now he wont leave!
mike: you got yourself a stray dog!