It’s probably a term used elsewhere too, but in the US Navy, when it’s coming from both ends, especially stationed or deployed on ship, it’s the double dragon. Ship food is bad. Ship food is rejected prison food. Moldy. Horrible. Absolute garbage. Garbage would probably be safer.
“[Thing] is a game changer!”
Almost always used in the context of brand-speak/commercial marketing. What’s the game, guys? Corporate propaganda? Cause no, using an app to book a handyman that pays to be advertised on your service, or buying microplastic encapsulated detergent is not a goddamn “game changer” for anyone, besides the shareholders.