bengu' Variant. bengu'bengu' verb English. Disobeys, does not follow instructions. noun English. A wayward or mentally deficient person, not very intelligent, considered irresponsible. Example sentence: Subanen. Ma'niin ka gupia bengu'bengu'en, kana' mpia pemuunan. English. It's as if you were feeble-minded; you don't carry out what you are told to do. Synonym. kulang Generic. milas