$1 WUB2 Smartfood Popcorn Coupon March 17, 2018 Get link Facebook Twitter Pinterest Email Other Apps New Smartfood Coupon and Flavour! Buy 2 bags of Smartfood Popcorn and Save $1 - Click HERE to print your coupon. And be sure to try out the Smartfood Sour Cream and Onion - the newest flavour - for a limited time!