This is the first meal Louis Tomlinson has ever cooked and it was for Harry back in 2010. It's I well known story by the Larries that Louis has told a few times.
Interviewer: "Do you do romantic stuff for your partner?"
Louis: "I once, I've only ever cooked one meal that was pretty nice, chicken stuffed with mozzarella wrapped in parma ham with a side of homemade mashed potatoes"
Going "Mashed Potatoes" on someone is where you perform the act of pulling down your partner's pants, smearing mashed potatoes (any flavor will do) onto their buttocks, and "motorboating" them between the cheeks. If done correctly there will be mashed potatoes strewn about the area where the act had taken place.
Tom: "Check out that girl in the yoga pants", Earl: "Oh yeah, if I had the chance I'd be going mashed potatoes on her all day"
Person 1: Dude I just got the rarest item in the game
Person 2: Holy Moly Macaroni Ravioli Guacamole Chicken Nuggets Dipped In Mashed Potatoes
Person 1: ew
From the movie "While You Were Sleeping". The family sits around the holiday dinner table making inane conversation. This line is used as a response when people are talking about useless information. A similar line from the same scene is, "John Wayne was tall." The line is even more powerful if someone else responds with this line.
Person a: "Justin Beiber was at the mall today."
Person b: "I love him, he is so gorgeous!"
Person c: "These mashed potatoes are so creamy."
Person d: "John Wayne was tall."