Butt-head: Light one up its butt.
[Beavis does so, then drops the burning insect in order to see it explode. Both of them are now laughing.]
  [Beavis does so, then drops the burning insect in order to see it explode. Both of them are now laughing.]
 Butt-head : Light one up its butt. 
 [Beavis does so, then drops the burning insect in order to see it explode. Both of them are now laughing.] 
  http://www.tv-quotes.com/shows/beavis-and-butt-head/quote_35725.html
  

