On accident
I kind of can’t take people seriously when they say On accident, I don’t know or care if its more or less grammatical, it sounds like a child sputtering in my mind. It should be By accident or accidentally
Tummy
Any adult has zero business saying this lol
They don’t want their brand to be turned into a generic word. It’s for the same reason Google doesn’t like it if you refer searching the internet as “googling” regardless of which search engine you use.