Arguing loudly in public. Like having a fight on your front lawn or at a restaurant.

Being a Karen. Very often because it turns into the aforementioned arguing loudly in public but also just the general Karen attitude of how they treat people is trashy.

Rolling coal.

Having a gigantic pickup truck without a need for its towing or hauling capabilities.

Having tons of political affiliation things on your car. Both ways. Not just MAGA. I'd be equally concerned if I saw someone in a tiny smart car flying Bernie Sanders flags with tons of left wing political slogan stickers plastered on it. I get liking the guy, but doing all that is still weird cultist-like shit.

Littering. Literally and figuratively.