Lyric discussion by plonkeh 

Cover art for Slide lyrics by Ani DiFranco

I also think the reference to hunger and following her nose, (like the tractor pull of her pussy), is about her need/craving to have sex.

I'm not sure whether its a financial need (Sex work), or an addictive need for sex (this would explain the lline about losing her best friend- perhaps thats what putting the brakes on and sliding, would mean to her).