감정/의견 표현 > 맞장구/농담/비밀 > 농담
There will be a pop quiz tomorrow.
Come on, stop kidding me.
I'm just joking.
Don't joke about this.
Stop making me laugh. (그만 웃겨)
Stop fooling around. (그만 놀려)
I'm not in the mood to joke.
Stop joking, and get to the point. (get to the point = 진짜 얘기를 하자.)