MISS THICKUMS Posted in M Best definition MISS THICKUMS a word to describe things (not people) thicker than normal. (btw we are not insulting anyone with this definition) “oh that face mask was a miss thickums” “oh heyyyyyyyyy miss thickumsssssssss” How satisfied are you with the definition? Looking for MISS THICKUMS meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 93 times.