Pop-Art Punch is a term used to describe a style of art that emerged in the 1960s. It is characterized by bright colors, bold lines, and often humorous subject matter. The term 'Kapow' is often used to describe the impact of this style of art, which is why it is the solution to the crossword clue. Kapow is an onomatopoeia, which is a word that imitates a sound, and is used to express the suddenness and power of Pop-Art Punch.