Lyric discussion by Ultra_girl 

Cover art for Suck (Pigface cover) lyrics by Nine Inch Nails

I also think it's about drugs . The first paragraph it's showing how bad he feels at that particular time , he doesn't want the dreams that god is trying to sell him and he prefers to give himself a disease (drugs). The second paragraph just tells us how it feels to get high . Anyway , i can't figure out the "A thousand lips ...." part ....