flytime means the time of the year when there are a lot of flies in a certain place. Lexicurio rates it Sui generis — a strength score of 92 out of 100.
Etymology
From fly + time.
noun
- The time of the year when there are a lot of flies in a certain place“"I'll take you up and show you your room, Rebecca," Miss Miranda said. "Shut the mosquito nettin' door tight behind you, so 's to keep the flies out; it ain't flytime yet, but I want you to start right; […]”