Idiom of the day :- Turn Someone Off

Usage, examples and definition of the Idiom :-

How was your date with Marty last night ? Well, it started of OK, but he really turned me off when we went for a snack after the movies. Did he say or do something to annoy you? Frankly, he disgusted me when he tried to talk with his mouth full. I don’t blame you . That would have really bothered me too.