HUMDINGER Meaning of HUMDINGER in English hum ‧ ding ‧ er /hʌmˈdɪŋə $ -ər/ BrE AmE noun a humdinger informal a very exciting or impressive game, performance, or event:a real humdinger of a match Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012