Whapping is a verb that means a loud, heavy impact. Synonyms for this word include thumping, pounding, slamming, clunking, smashing, and whamming. These words all convey a sense of forceful impact, usually of a heavy object hitting a hard surface. Other synonyms include smacking, thudding, and bashing, which also suggest a strong, percussive sound. Depending on the context, synonyms for whapping can also include striking, hitting, or knocking, which are more generic terms for physical contact. No matter which word you choose, each synonym for whapping conveys a sense of energy and strength, signaling the forceful nature of the action being described.