yesitis Response to a skeptic Reaffirming response Firm affirmation Words of confirmation Reply to 'No, that's not!' Rejoinder to 'No, that's not!' Insistent words of affirmation Flip side of "Ticket to Ride" Certain affirmation B-side to the Beatles' "Ticket to Ride" Affirmative rebuttal Insistent affirmation Answer to "No, that's not!" Confirmation declaration Beatles tune that begins "If you wear red tonight" "Indeed so" "Most certainly!" "Wanna bet?" Adamant affirmation "Most definitely!" Rejoinder to "Ain't!"