1) An irregularly shaped spot 2) Big blemish 3) Big stain 4) Blot 5) Blotch 6) Blotch or spot 7) Challenge for a dry cleaner 8) Daub 9) Good-sized stain 10) Irregular mark 11) Irregular spot 12) Irregular stain 13) Large irregular spot 14) Large stain 15) Liquid smear 16) Mess of a mark 17) Rorschach image Found on https://www.crosswordclues.com/clue/splotch