"直男癌" (zhi nan ai) means "staight men cancer", is a kind of ridicule to the extreme machismo people who often show their dislike and dissatisfaction to others, but live in their own world view, values, and aesthetics.
The main symptoms of "直男癌" (zhi nan ai) are that they have bursting gender superiority, with poor taste in clothes and good feeling of extreme machismo people. They usually think they are leaders, and like giving brainwashing to others, blaming others, with no romance, thinking that women are inherently weak and in need of protection. They are opinionated to decide the relationship to women, assuming that women are deeply in love with him.
Source of "直男癌" (zhi nan ai):
It is from the article "Girls, do you know patients of "直男癌" (zhi nan ai) around you?" on Dou Ban network.
Today, I had a meal with sister school, and a "直男癌" (zhi nan ai) who had obeyed his family's arrangement for job after graduation joined us. After learning the sister school was a doctor, he should said: "It is unnecessary for a girl like you to study for a doctor's degree." He then added: "It's a delayed problem to give birth to child for a girl who studies for PhD, and there are many problems for an older mother to give birth to child, and you don't consider for your future."
Characteristics of "直男癌" (zhi nan ai):
1, Bursting gender superiority.
2, Thinking that women are inherently weak and in need of protection.
3, Macho, paranoid.
4, Strong, with strong desire to control, like giving brainwashing to others.
5, Doing things simply and crudely.
6, Like to preach, too conceited to do practical things.
8, Narcissistic, often thinking "other people can not take care of themselves without him".
9, Monopolizing things and thinking himself as leader.
10, Care about personal image, with poor taste in clothes but feeling good about themselves.
11, Blame others.
12, Like finding faults of the female, often give women scores seen on the street, with generally harsh scoring.
13, Opinionated to decide the relationship to women, assuming that women are deeply in love with him.
14, Not romantic.
15, The opposite of warm men.