July 23, 2013 No Comments FREE Hot Dog at Thorntons Check out this week’s Fan Exclusive Coupon: FREE Hot Dog! You can print the coupon by clicking the Welcome tab at the top of the Thorntons Fan Page. Coupon valid July 23 – July 29, 2013. Locations. FREE Hot Dog at Thorntons – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.