Its when you get an aerosol and put it inside a sock, spray it then inhale the fumes. Aparently its gives you a small buzz. Never tried it personally so i wouldn't know. Loads of peeps used to do it at our school. Give it a go and see what happens.
this lad where i used to work told me to boff this rag that was soaked in some sort of cleaning spirit, it was weird as fuck like.:groovy:
you defo should of came mate, i'd of bought you a drink or 2. bought every cunt else them . now im skint