I didn't like it. I... LOVED it.
This is when Simon Cowell says he didn't like it, then goes full crazy and says LOVED it, just to make the performer feel like they're being tortured by a demon with a megaphone.
He said it after the kid sang like a frog with a broken voice box.
He said it after the group tried to do a magic trick and failed spectacularly.
He said it so loud the audience thought he had a megaphone.