darn tootin' adjective 2adverb 1exclamation 1 adjective2 •(US) Absolutely correct; speaking the truth.Pink . . . nodded assent. "You're durn tootin’ it's right!" he testified. — 1916 •(US) Absolute, utter, complete, very.I’ve decided that Wii Fit is darn tootin’ fun. — 2009 adverb1 •(US) Assuredly, absolutely, utterly, completely, you bet.In speech, in rapid responses, in interviews, Kerry and Edwards remind us these days how darn tootin’ chock full of values they really are. — 2004 exclamation1 •(US) You are absolutely correct."May I assume you wish to enter a plea of not guilty?" "Darn tootin’." — 2001