The Colour of Your Snot Says A Lot About Your Health Kingston, ON, Canada / 96.3 Big FM Angela Stever January 13, 2016 09:26 am Perhaps like myself, you’ve experienced the dreaded common cold this season. Cough and runny nose, or stuffy nose. But when the snot comes out, what does it mean? Well that depends on the colour. Now you know! Have a BIG one!