Smashburger Coupon for Buy One Entree Get One Free 2 years ago 2 Comments Coupons, Restaurant Deals Smashburger has a great offer right now. Buy one Eentree get another one free with this printable coupon. Offer valid through 3/31/13. Find the Smashburger closest to you here. Facebook Prev Article Next Article You may also like New Snackpicks Coupons + Tailgaiting Party Tips 5 years ago Shout Color Catcher Printable Coupons + Target Deal 3 years ago $10/1 Bambi Bluray and DVD Combo Pack Coupon 4 years ago Printable Coupons: Dove Chocolates, Duncan Hines, Earthbound Farm, Celestial Seasonings, Gold Medal Flour and More 3 years ago Walgreens: Gevalia Coffee Just $2 a Bag After Coupons (may be regional) 3 years ago FREE Light Bulb at Rite Aid With Coupon 1 year ago Sandy P Thanks for the coupon, I have never tried this place… a must for this weekend!! Lindsay Ackerman Guess they need to update their restaurant finder; there are at least 3 in my city and the ZIP code search is telling me my closest is St. Louis.