[그거 어떻게 하는 건데](javascript:void(0)) is a Korean phrase that roughly translates to "How do you do that?" or "How is that done?" It is often used to ask for an explanation or instruction on how to perform a specific action or task. The phrase breaks down as:
- [그거](javascript:void(0)) = "that" (referring to something specific)
- [어떻게](javascript:void(0)) = "how"
- [하는](javascript:void(0)) = "do" or "doing"
- [건데](javascript:void(0)) = a colloquial ending that implies a question seeking explanation
This phrase can be used in casual conversation when you want to know the method or process of something someone has done or is doing. It is also popularized as a meme phrase in Korean internet culture, often paired with an action or behavior to humorously question how it is done.
For example, if someone shows you a clever trick or way of doing something, you could respond with [그거 어떻게 하는 건데](javascript:void(0)), meaning "How do you do that?" or "How is that done?" It is an informal, friendly way to express curiosity or incredulity.