突突囔囔 tūtunāngnang to mutter Origin Definitions Defs Strokes Stroke Words Sentences Sents 突 tū reduplication thump-thump; chug-chug (onomatopoeia) the sound of a heart beating or an engine running; similar to "thump-thump" or "chug-chug"囔 nāng reduplication muttering (bound form) muttering; indistinct speech; usually used in the compound 嘟囔 dūnang