From south park, a trans-species being that was once a Jew and had reconstructive surgery to make him (or her) a dolphin. Sometimes referred to as a lawphin.
Kyle's dad became a jewphin after surgery because he always wanted to be a dolphin.
generally, the progeny of an alaskan native woman and a jewish man. also, typically well educated, proud, highly opinionated and/or judgemental people with a healthy dose of self entitlement.