A cigarette filter that is more flammable than usual and starts to smell pleasant once the cigarrette runs out of tobacco and the filter starts smoking.-- Amishman35, Oct 30 2006 I shall make the first annotation after 15 years of this little post just sitting here. I am going to give it a little croissant for thinking outside the box. Im thinking the filters should be made of something better like Fireworks.-- xandram, Jul 11 2022 uncannily I just read a idea for self-destructing cigarette butts and they have fireworks ha ha.-- xandram, Jul 11 2022 I read the first word of the title as a verb in the imperative mood, and was imagining the build-up through provoking, annoying and enraging the cigarette filter. The cigarette filter should probably be voiced by John Cleese.-- pertinax, Jul 12 2022 random, halfbakery