Lyric discussion by lixy 

Cover art for On lyrics by Bloc Party

It is so obviously about drugs. It describes the feeling so well. obviously "rolled up twenties" refers to sniffing cocaine. Its just talking about how drugs can make u feel awesome and invincible and when it wears off u feel flat so u get more. But "chasing something we'll never catch" coz it never lasts forever. I love this song.