Why Jews Dress Up On The Jewish holiday of Purim? FOLLOW @RABBIRAPS FOR MORE DAILY VIDEOS! #happupurim #purim #purimsameach #megillah #hamentashen Last Minute Family Theme Purim Costumes Jamie Geller Purim is a joyous holiday celebrated by Jewish communities around the world, and one of its traditions is for people to dress up in costumes. It is a time of merriment and PURIM COSTUME ROUNDUP! Purim is *NOT* the Jewish Halloween, but we DO dress up in costumes! Here are a few reasons why: 1 In honor of Esther hiding her Jewish identity