(1) From Douglas Rushkoff's 1997 book "Playing the Future," a screenager is a teenager who spends a lot of time at a computer screen. Screenager activities are sending email and instant messages, downloading music and movies, gaming and Web surfing.
(2) A song from English rock band MUSE about teenagers who put up a screen between themselves and their family. The lyrics start out "Who's so phony and always surrounded? Stop your screaming, no one can hear."