interjection
yoiyasa; doo-doo-doo; dum-dum-dum
A rhythmic interjection used in traditional Japanese festival music (囃子詞) to maintain the beat of a song. It does not carry a specific meaning but functions like scat syllables.
See also: 囃子詞
祭りの太鼓に合わせて「よいやさ、よいやさ」と声をかける。
They chant 'yoiyasa, yoiyasa' in time with the festival drums.
interjection
An exclamation used when lifting or moving something heavy, similar to a grunt of effort. This usage is less common and may be regional or situational.
重い石を持ち上げるときに「ヨイヤサ」と掛け声をかけた。
When lifting the heavy stone, he let out a 'heave-ho'.