Home Slickdeals Smashburger Printable Coupon: Buy One Entree Get One Free (expires 10/31/2017) Slickdeals Smashburger Printable Coupon: Buy One Entree Get One Free (expires 10/31/2017) By ARCOM - 19 October 2017 251 0 SHARE Facebook Twitter Go to the deal page: Smashburger Printable Coupon: Buy One Entree Get One Free (expires 10/31/2017)