Originally Posted by Matt 26z

Burping on command is nothing. Learn the art of farting on command.

Get on your knees on the floor, head down and ass up. Now relax your ass with your legs spread some and suck your stomach in a certain way. If you do this just right, your asshole will come open and air will rush in. Now blow it in and out a few times to get the air fully loaded. Close your hole tight, walk into the next room and rip the biggest horse fart anyone has ever heard.