January 10, 2013 No Comments Smashburger: $2 OFF a $5 Purchase Coupon Receive $2 off a purchase of $5 or more at Smashburger with this coupon. Expires 1/22/2013. Smashburger: $2 OFF a $5 Purchase Coupon – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.