"Splattered paint" refers to the act of throwing or dropping paint forcefully on a surface, causing it to spread or scatter in an uncontrolled manner. Full definition
By splattering paint on canvas in complicated swirls and gestural layering, Pollock made paintings that broke all the rules of representation. (dmagazine.com)
The paintings in the studio are hung on the wall in front of faint blast - radii of splattered paint in Wekua's preferred color palette (blue, pink, purple, traces of yellow). (032c.com)
You can see it in the splatters of paint on the left side, where Ch» en splattered paint across the paper. (brooklynrail.org)