meshugaas Syllabification: (me·shu·gaas)Pronunciation: /məSHo͝ogˈäs/Definition of meshugaas noun informal mad or idiotic ideas or behavior:there’s method in this man’s meshugaasOrigin: early 20th century: Yiddish, noun from meshugameshugaas in other Oxford dictionaries Definition of meshugaas in the British & World English dictionary