Hypocrisy, bad manners, unpunctuality, being rude to people they consider 'beneath' hem

Pollution, rudeness, spite.

Evil. Treating people terribly, or being violent unjustly.

Constant Negativity

Fast fashion.

Rude, mean, vicious attitudes.

big smelly diapers and weapons.

Copying, following trends without personalizing, following celerities blindly, wearing plastic based clothing, wearing expensive, deliberatley ugly aesthetics.

too much fat

unkempt apperance

Pettiness in style, mindlessness.

things that are thoughtless, badly made, and throwaway

Trash cans and dirty sidewalks.

Prints

paisly and busy prints.

suburban housing developments. crappy blockbuster movies. strip malls in the daytime. advertisements, logos.

Overly synthetic anything.
Head-to-toe unnatural grooming (i.e. I can't tell what your natural hair colour, skin colour, or anything is..)
Flashy plastic platform high-heels, especially if they are too small or too big for the foot.
Too tight clothes that reveal all the underwear.

Cruelty.

When somebody do not accept the way they are and then try to be like somebody else whether it's by dressing, behavior or any other way. That's just ugly and sad. But what's even uglier is when some people easily look down on others because of their dressing sense, behavior or any personality trait.

Nothing is uglier than hate, hate speech and/or hateful actions.

Brown leather in clothes except from shoes.

Meanness, negativity, violence.

Trends

When I have to wear nice than I have pimple in my face

Cockiness

Unnatural-looking makeup which dramatically changes the appearance of a person's face.
Khakis and boat shoes, honestly.