Deliveroo and Boss Burger are offering 1 free small fries ('gift') with Boss Burger orders $10 and over on Thursdays in May 2022. Offer starts 12:01AM AEST on 05/05/22 and ends 11:59PM AEST on 26/05/22, while stocks last. Not available at every Boss Burger. Not available in all areas. Subject to stock availability. Not valid with other offer/s. Gift not exchangeable or redeemable for cash and must not be resold. Pricing may vary from order mode or store location. Delivery fees, service fees and geographical restrictions apply. No substitutions permitted.