The art of igniting gases expelled from the rectum by force. Proper form is to lay on ones back, pull both legs back as far as possible,light a lighter and hold it as close to the anal cavity as possible. The subject then squeezes the stomach muscles tightly, pushing a mix of methane and hexane out toward the open flame causing a moderate to large fireball. Caution...Jeans must be worn to protect sphincter from 2nd to 3rd degree burns.
The room had an amber glow as jim's schuba erupted.