Please help find a movie with maybe schizophrenic man that only hears insults about him

What’s the movie where everybody says insults and bad words to the main character but they actually aren’t, he thinks they are but they aren’t so he gets into fights a lot with random people who are actually nice but the main character hears them insulting him. I’m pretty sure I remember this one scene where he’s at a party in a house and he gets into a fight with another guy after he “insulted” him and I think a table breaks idk? And I’m pretty sure the main guy is a high school student. I also remember him going into a donut or meat shop with him getting into a fight with the guy at the cashier. I think it’s a early 2010’s or late 2000’s movie, so if you guys find that would be cool, thank you.

The White Sound (2001)?