Inactive Tutor answered 04/30/19
Tutor
New to Wyzant
You can use "짱" in most cases.
You can think about "짱" as "top of something" or "awesome".
For example, you can say "너 짱이야!" ( You are amazing!), "너 요리 짱이다!" (You are amazing cook!)
However, "짱" is pretty old thing so most of Young Koreans don't use this anymore.
Hope this is helpful! :)