rootin'-tootin'
/ˌruːtɪnˈtuːtɪn/adjective
- informal, chiefly N. Amer. brashly or boisterously enthusiastic〈非正式, 主北美〉满腔热情的; 极感兴趣的：
their rootin'-tootin' summer adventures.
他们满怀热情的夏季冒险活动。
词源
late 19th cent.: reduplication of rooting in the sense 'inquisitive', an early dialect sense of the compound.