interjection
hooray!; got it!; just what I wanted!
Exclamation of triumph or satisfaction when something goes as desired. Often used adverbially in the phrase 得たりとばかり (as if to say 'just what I wanted').
得たりとばかりに、彼はすぐにその提案に飛びついた。
As if to say 'just what I wanted!', he immediately jumped at the suggestion.
「得たり！」と彼は叫んだ。
"Hooray!" he shouted.