Free Milkshake at Zaxby’s today This post may contain affiliate links. Please see the full disclosure policy here. Posted on August 25, 2009 Written by Mary Leave a Comment Zaxby’s is offering a FREE fun size milkshake today 2p from til close (10p) ! Im not sure how big a “fun size” is, but it’s FREE! Call ahead to be sure your location is participating! Thanks swaggrabber!