Many Korean idol dramas have men who like to stretch their foreheads with two fingers. How did you do that?

This gesture is often called "naughty finger" and is often associated with naughty, provocative or mischievous behavior in Korean culture.

The specific way of this gesture is to gently put your forefinger and middle finger in front of your forehead and then stretch forward. This gesture is very common in Korean culture. Usually used to express naughty, provocative, naughty and other emotions, and some people use it to express confidence, pride and other emotions.

In Korean idol dramas, this gesture is usually used to show the protagonist's naughty, confident and even arrogant character.