The movie he rented was about a 'maniac' [='madman', 'lunatic'] who goes on a murderous rampage.
She drives 'like a maniac'. [=she drives in a very reckless and dangerous way]
He's a complete 'maniac' when he's playing football.
(..) ...in her living room doesn't mean she's not a person. Does she not deserve happiness? Does she not deserve love? Why are you looking at me? He's the one who wants to boff the maniac! Are you okay? No. I'm just nervous. Maybe if I just picture them all in their underwear... (..)1996 TvShow: Friends Title: The One After the Superbowl: Part 1 Season: 2 Episode 12