A phonetic (mis)pronounciation of "knights" (ex. medieval, sounds like "nights"). From a gag in Monty Python's The Holy Grail, a wicked film. King Arthur, on a quest for the grail (in
England) comes across a French castle, inhabited by French fellows, one of whom calls Arthur and his knights "silly
English K-Ni-Ghits" (sounds like ki-nig-its) because he is unfamiliar with the proper pronunciation of the
English word "knights". It is a funny gag.