Doing fingerpainting is an activity that involves using your fingers or hands to apply paint to a surface. It is a popular art form for children, but can also be enjoyed by adults. The two crossword solutions for the term 'do fingerpainting' are 'SMEAR' and 'DAUB'. Smearing is the act of spreading or smudging paint on a surface, while daubing is the act of applying paint in a rough or careless manner. Both techniques can be used to create interesting and unique works of art.