I'll start
- hates women
- likes anime
- plays coomer video games like overwatch or anything japanese
- watches porn
- autism or low EQ
- shy or socially awkward
- follows women on social media just because they are attractive
- checks out other women in public
- long hair (anything longer than shoulder length)
- bald/balding
- no ambition/lazy/complacent
- lives like a slob
- bad hygiene, especially bad breath
- ugly teeth
- blonde hair (idk)
- skinny
- picky eater
- too close with his mom and still depends on her to do stuff for him
- hates animals, especially cat haters
- negging or teasing (because this is a sign the man is insecure and trying to lower your confidence)
- dumb, can't think for himself
- aggressive, easily angered, impatient
- rude and inconsiderate (aka the "I am just being honest" guys who are actually assholes)
- drugs/alcohol/gambling and other vices
- man-whore/non-committal
- bad sense of humor (aka not mine)
- uses imageboards like 4chan
- buys useless shit like figurines, funko-pops or Star Wars shit
- non-white
There's probably more that I can't think of right now.