Humdinger Posted by J. Boehmke on May 29, 2003 What is the origin of "humdinger" which is used to imply a "big deal" or some sort of extravagance? Humdinger R. Berg 05/29/03 Humdinger Bookworm 05/29/03 Humdinger janes_kid 05/30/03 Humdinger R. Berg 05/30/03