Whomp is a versatile word that can be used in various situations. However, if you are looking for some synonyms for the word "whomp," there are a few options to consider. For example, "smack" can be a good substitute when referring to physical impact. "Bash," "wallop," or "thump" can also be used to describe a hard hit. On the other hand, if you are looking to describe a sound, "clang," "crash," or "booming" could be appropriate. Meanwhile, "obliterate," "annihilate," or "pulverize" can be used as synonyms if you want to emphasize complete destruction. In summary, there are several synonyms that can be used instead of "whomp," depending on the context.