I need to know how to fart on purpose.....?

i want to fart really bad so tell me how to fart on purpose...
if i dont know how in 10 minutes...i will lose 20 dollars..
and if i dont lose 20 dollars im gonna dieI need to know how to fart on purpose.....?
why do you want to lose 20 dollars if your gonna die?
ew whatever.
yeah.. that's gross. eat something smelly.
HAHA