Finger-painting smudge (5)
I believe the answer is:
smear
(Other definitions for smear that I've seen before include "Besmirch" , "sample on slide" , "Discredit" , "Spread a greasy or sticky substance over something" , "Dirty mark; a libel" .)
I believe the answer is:
smear
(Other definitions for smear that I've seen before include "Besmirch" , "sample on slide" , "Discredit" , "Spread a greasy or sticky substance over something" , "Dirty mark; a libel" .)