Lyric discussion by uselessdrag 

Cover art for Blue lyrics by Smashing Pumpkins, The

perhaps it's about billy once knew a long time ago and then they finally met up again but the person 'blue' had to leave shortly but he wanted them to stay. or it could even be the sky and the sun is setting and it won't be 'blue' anymore and he wants it to be daylight for just a while longer...