My first cat used to sneak into my cupboard and sleep in there. I had no idea until one day I got home from work and was making supper. I reached into the cupboard to grab a plate and felt something big and furry instead.
I (~must of~) must have sounded like a 10 year old school girl. Nearly ended up being an unscheduled laundry day.
"Must of" isn't a thing, and you should understand that without someone pointing it out. Same as "could/should/would of" isn't correct.
Learn basic grammar.
Yeah. You're a bit direct but I do need a person like you to point things up for something I did wrong unintentionally.
However I wonder if any native speaker don't realize there's something wrong with these sentences. Even a non-native like me can see that. Maybe it's intentionally done; they know it's not correct but they just want to keep up with the wrong trend.
Kitty isn't actually eating Cheetos. This is a photo from a seance and they've connected to the spirit of the original Chester Cheetah. This is simply ectoplasm being expelled.