Spanks synonyms are words that refer to the act of hitting someone's buttocks as a form of punishment or sexual pleasure. Some synonyms for spanks include whacks, smacks, pats, slaps, and paddles. Other words that can be used as a substitute for spanks include swats, thwacks, licks, and spankings. These words can be used to describe the action of spanking someone or being spanked, depending on the context. It is important to note that different synonyms may convey different connotations, ranging from playful to violent, so it is essential to use them appropriately and considerately.