Hello! I wonder if you would ever use zinger and humdinger as interchangeable words when describing some outstanding, excellent thing, or event? For example: 1. It'll certainly be a humdinger of an event, seeing as we're expecting three iPhones, a new Apple Watch, new Apple Airpods, new iPod Touch ... Pocket-lint.com Will putting zinger instead of humdinger here change the meaning, or add any nuances? 2. The President's resignation was a real zinger. (this dictionary) Will putting humdinger instead of zinger here change the meaning, or add any nuances? Thank you.