June 13, 2011 No Comments Free 20 oz. Jamocha Oreo Shake at Arby’s Get a FREE 20 oz. Jamocha Oreo Shake, with this coupon, when you buy any combo meal at Arby’s. Expires 6/15. Free 20 oz. Jamocha Oreo Shake at Arby’s – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.