rub-a-dub rub up • rub-dub · · · Info · Definitions · Synonyms · Characters · · rub-a-dub · · Text Common · · Latin · · Scripts 9 · · Length 3 · · Syllables Definitions · · · (noun) the sound made by beating a drum. Synonyms: rataplan, drumbeat. · · Noun Definition 1 Synonyms · · · rataplan · · Synonym 1 drumbeat · · Synonym 2 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 r latin small letter r U+0072 u latin small letter u U+0075