noun. ['ˈgædˌflaɪ'] a persistently annoying person.
noun. ['ˈgædˌflaɪ'] any of various large flies that annoy livestock.
1. Noun, singular or mass If you’re ever wrecked with guilt about leaving your pet behind while you galavant around the world like a globetrotting gadfly, over compensate by boarding your good boys and good girls in a five-star kennel.
