Get a Free Small Slurpee at 7-Eleven (7/19) by downloading their iOS or Android app and registering. Located in the ‘Savings’ section in the app there’s a coupon available for one free small slurpee at any participating 7-Elevens. Wait until you’re at your local 7-Eleven to redeem the digital coupon, they only remain valid for 15 minutes after activation. The slurpee coupon is only valid for 7/19.