whacker whack • whacking · · · Info · Definitions · Synonyms · Characters · · whacker · · Text Latin · · Script 7 · · Length Definitions · · · (noun) something especially big or impressive of its kind. Synonyms: whopper. · · Noun Definition 1 Synonyms · · · whopper · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 k latin small letter k U+006B r latin small letter r U+0072 w latin small letter w U+0077