12 DAYS OF WHATABURGER COUPONS -- NOT VALID It has come to Whataburger’s attention that an unauthorized, unreleased version of a proposed internet coupon promotion called the "12 Days of Whataburger" has been circulated via email. These are NOT valid coupons and will not be honored at Whataburger restaurants. We apologize for any inconvenience this may have caused. Thank you for your understanding.