While he was active in the 1940s and 1950s, he is famous for his "drip painting" technique, where he would pour and splatter paint onto canvases laid on the floor. This technique was highly influential and helped define Abstract Expressionism, a major art movement of the mid-20th century.
While the term "throwing" paint isn't typically associated with Pollock's work, the concept of applying paint in a spontaneous and unpredictable manner certainly aligns with your description.