rootin’-tootin’
adjective/ˌruːtɪn ˈtuːtɪn/
/ˌruːtɪn ˈtuːtɪn/
[only before noun] (North American English, informal)- enthusiastic, cheerful and lively
满腔热情的；热情奔放的 Word Originlate 19th cent.: reduplication of rooting in the sense ‘inquisitive’, an early dialect sense of the compound.