It feels heavy on my stomach.
속이 느끼해.
It was too rich.
너무 느끼했어.
I want something to cut the grease in my stomach.
속이 느끼한 것을 없앨 뭔갈 먹었으면 좋겠어.
I want something to refresh.
(속이 느끼한 것을 없앨) 신선한 것을 먹고 싶어.
I feel like I want to eat Kimchi.
김치 먹고 싶은 느낌이야.