Inability to leave anything alone, be it electrical, plumbing, cooking, or discussion; even though they are not skilled professionally in the subject.
(1)The TV picture is fine; quit being such a Tweaking Tom! (2) You think you're a Jack-of-all-trades, but you're just a Tweaking Tom!! (3) You have no understanding of the situation; don't be a Tweaking Tom and stay out of it!!!