A person who tends to cause mischief or disorder wherever he/she may go and/or some one who acts like a little bitch all the time in order to get attention.
Guy 1 - "Did you see Topher go into my dorm room and make a huge mess the other day?"
Guy 2 - "Yeah dude he just wanted people to laugh at him."
Guy 1 - "What a fuckin' scrat wiler!"