also: やんややんや · よんやよんや
expression
hear! hear!; hooray
An exclamation used to cheer or express enthusiastic approval, often in a lively, informal setting. Similar to English 'hear, hear!' or 'hooray!'.
「よいやよいや!」と観客が叫んだ。
The audience shouted, 'Hooray! Hooray!'
彼の演説に、人々は「やんややんや」と声を上げた。
People raised their voices with 'Hear, hear!' at his speech.