The word "bamming" does not have any established antonyms or opposite words. This is because "bamming" is not a commonly used term in the English language. It is possible that this word may have different meanings based on context or regional usage. In such cases, the antonyms or opposite words would depend on the specific connotation or definition of "bamming" in that particular context. However, in general, synonyms for "bamming" may include striking, hitting, pounding, or thumping.