How to make a fart noise, you say? Well, our fart pro is here to help you out. Today you'll learn how to make a fart sound. We invited voiceover f-artist Grant Leet to give us a guide to creating funny trouser-tremblers.

Yep, this video will give you all the tips you need to make some seriously funny fart sounds yourself!

So if you can't wait to prank your pals with some bonza bum-rumbles, check out the video.

Don't want to make fart sounds yourself? Think there should be a computer to do that for you? You're after our Fart-O-Tron fart soundboard - simply hit a button, or several buttons, and let the whiffers rip.