What does that one coworker do that simply annoys everyone?

I work as a park ranger and I had a coworker that finally got fired last week, Jesus fuck it was about time. He acted very strange, when we worked at a playground he always went away to take a piss or a cigarette. When he was tired he just went the car and he could sit that for hours without any cellphone, radio or anything, he just sat there. Fucking weird.
He came late 3/5 days a week. He barley worked (only when the boss came by) but he still always said that he thought he did a good job which was big fucking lie. There was one thing that he was assigned to do that took 1.5 days for him to do, meanwhile I did the same thing two weeks earlier and that took me two hours smh.
He chewed his food loudly with an open mouth. When we was at the lunch room he said some weird shit, I mean really messed up stuff. That he liked women buttholes but he didn't like gay people. He talked some really sexist shit, that women should make less than men. He made fun of how other people look when they weren't there. Plus one more thing that was so damn confusing, he always threw away his trash (food boxes, old plastic bags, sodas, fruit etc) in his locker! I mean, like wtf???

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