the act of ejaculating upon a persons face and then bending over and holding a flame to the bottom of ones own anus, thus causing a flamethrower effect when farting. Therefore singeing the jizz to a persons face, permanently marking them for life.
Mickey nearly caused a riot down at the curry houselast night when he burnt one off. "hey lads, hows this for a bumsen burner?" he exclaimed, lighter in hand.
A portmanteau of Blunt and Bunsen Burner to make a Blunsen Burner. A Blunsen Burner is a lighter with a massive flame to light those huge blunts you have on the weekend.
Joel: hey man, this out this blunt i made yesterday, it took ages man.
Lomax: Sweet dude, i'd better get the Blunsen Burner out.
A Bunson Burner is the next step after you preform the Alaskan Snow Dragon. A sexual prank preformed in nature, gather 3 red-hot candies and string into an anal beads, then proceed to do anal. After which you will mention you have HIV.