The unconscious tendency for a guilty or otherwise culpable individual to offer unsolicited excuses, explanations or clarifications out of interrogative context.
If someone explicitly states, "I'm perfectly normal" when there has been no preceding accusation to the contrary--that's an example of Unprovoked Denial...kinda like "No Collusion" or "No Obstruction".
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)