darn tootin'

US idiomatic

(chiefly US, countrified, idiomatic) Absolutely correct; speaking the truth. / (chiefly US, countrified, idiomatic) Absolute, utter, complete, very.

Japanese Meaning

全くその通りであること、絶対に正しいこと / 完全に、事実通りであること

That darn tootin' idea saved the whole project.

あのまさに的を射たアイデアがプロジェクト全体を救った。

Sense（1）

(chiefly US, countrified, idiomatic) Absolutely correct; speaking the truth.

Pink . . . nodded assent. "You're durn tootin’ it's right!" he testified.

Sense（2）

(chiefly US, countrified, idiomatic) Absolute, utter, complete, very.

I’ve decided that Wii Fit is darn tootin’ fun.

darn tootin’

（ canonical ）