Lumption Posted in L Best definition Lumption The dried up hunk of lotion that comes out of the pump when you haven’t used the lotion in a long time. I went to use that old Gold Bond in the cabinet and got a handfull of lumption. How satisfied are you with the definition? Looking for Lumption meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 41 times.