꿀


This word is a slang that is used very often.

1. very good

thing that makes many profit for you or makes you very happy.
Ex) 일요일에 자는 낮잠은 정말 꿀이다.

2. very delicious food.
Ex) 이 아이스크림 완전 꿀이다


Also, You can always attach this to a noun that you want.

꿀공연
꿀잠
꿀성대
꿀주말
꿀연휴
꿀삼겹(살)
...

literally, 꿀 means 'honey'.