Offer valid only from 1/16/2026 through 1/18/2026 at participating U.S. Smashburger®? locations.  Pricing and participation may vary.  Offer available for purchases made in store or online through the smashburger.com website or Smashburger® app during regular business hours. Store hours may vary. Offer to receive one (1) complimentary burger or Big Dog (not including applicable taxes) when you purchase any burger or Big Dog. Offer only available for items of equal or lesser value. For in-store orders, must provide promo code SPICYBOGO during checkout to redeem offer. For online orders, must enter promo code SPICYBOGO at checkout to redeem offer.  Limit of one (1) offer may be redeemed per customer and per transaction. Offer not available for items with crispy chicken. Offer available for all other available protein types for burgers and Big Dogs on the menu. Discount does not apply to any applicable sales tax. Cannot be used in conjunction with any other offer, promotion, or discount. Not valid on previous purchases. Not valid on orders with third party delivery. No cash value (unless prohibited by law, then cash value is $.005).  No substitutions.  No rainchecks.  Company reserves the right to withdraw or change the offer’s terms and conditions at any time, at Smashburger’s discretion, and without notice.  While supplies last. © 2026 Smashburger IP Holder LLC.  All rights reserved.