2) A lesbian or 'dyke'; an unemotional person.
3) An actual wall inspiring wonder; a TV or PC screen.
4) A term never coined by the band Oasis.
5) A term with myriad definitions this century.
2)"Why won't she date you? Dude, she's a dyke! A wonderwall, you know? Holds back the waterworks. Real stiff upper lip."
3)"Did you see the Wonderwall (TM) for sale at Target? I'm so buying one. It's got high-def."
4)"Did you hear that Oasis ripped off that song 'Wonderwall' from some old British arthouse flick?"
5)"Um, what do you mean by 'wonderwall' exactly?"
because maybe your going to be the one that saves me
and after all your my wonderwall