If I had a date I wouldn't be rambling on here :/ that's FINE though :p
Skin tight leggings on females who don't bother to look in the mirror to see if they're flattering. TMI in most cases!
Sagging
Guys wearing their mom's skinny jeans
Women and young women wearing extremely short shorts or skirts.
Women and young women wearing low cut shirts.
Large people wearing tight clothing