shadow-guy
a guy a girl has a thing with that nobody knows about, excpet for maybe one friend. the girl will sneak off to be with this guy and will make up stories to where she's been
so did you sneak off to see your shadow-guy last night?
guy shadow
Eye shadow worn by guys, usually because they're effeminate, or "totally hardcore punk rockers dude man!", or both. It is called "guy shadow" in the hopes that it will sound more manly than "eye shadow". It doesn't.
Tom: Check out my new guy shadow.
Bill: Dude, you look like my mom.
Bill: Dude, you look like my mom.