Lyric discussion by Redgrieve 

Cover art for Zero lyrics by Smashing Pumpkins, The

When he says "I'm you lover, I'm your Zero," I think Zero means fool. You know, like "I'm a fool for you", that kind of thing. The reason I say that is because I know Corgan is into that hocus pocus tarot card bullshit and the fool (a tarot card in the major arcana), is often numbered "zero". I don't know if anybody's said that before, but yeah. Besides that, I really have nothing new to add to what others have already said