Capt. Parmenter: Now when we complete the circle, we'll have the signal for the attack. Uh, someone will make a noise like an owl.
Dobbs: Who?
Capt. Parmenter: That's very good, Dobbs. Thank you for volunteering.
"Honest Injun" was used as a declaration or vow of personal honesty. First recorded instance of the expression was in Mark Twain's "Tom Sawyer." It has since fallen into disuse.