Poison Skull Temporary Tattoo When Halloween rears its enjoyable head it is time to check out all the fun items that can take your Halloween costume up several notices. One of those items is a poison skull temporary tattoo. Not only is this black skull and crossbones a fun item for scary Halloween parties, it is an excellent prize to add to your trick or treats. It can also be part of a great pirate costume adventure for anytime of the year. Ready to party down with eerie ghouls? Make sure that your celebration also includes Mr. Jolly Roger.