Lot Rot Posted in L Best definition Lot Rot The sickness you get after working a fair, festival, or carnival for any length of time. “Don’t drink out of her cup right now- she’s got lot rot and has been coughing all week. “ How satisfied are you with the definition? Looking for Lot Rot meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 20 times.