mrs.welch Posted in M Best definition mrs.welch a cranky old bitch who likes to eat twinky’s, pringle and never passes a chance to anoy the shit out of ANYONE! omg!!! stacy was such a mrs.welch last night. How satisfied are you with the definition? Looking for mrs.welch meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 18 times.