Incineroar and K. Rool spend the night mid-battle contemplating about the word "ceiling", and how its meaning is so ridiculous, they spaz the freak out...
This is a Smash Bros. parody skit of the first installment (Ceiling) of the original "English is Stupid" video series by one of my favorite VineTubers, Chaz Smith. All credit for the concept goes to him.