BOOBY Meaning of BOOBY in English boo ‧ by /ˈbuːbi/ BrE AmE noun ( plural boobies ) [countable] [ Date: 1900-2000 ; Origin: ⇨ ↑ boob ] informal a silly or stupid person Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012