yeehaw
/ˈjiːhɔː/(亦作yeehah)
exclamation
- N. Amer. an expression of enthusiasm or exuberance, typically associated with cowboys or rural inhabitants of the southern US〈北美〉噫嗬（通常为美国南方牛仔或乡村居民表示热情或激动时用的感叹词）。
词源
natural exclamation: first recorded in American English in the 1970s.