This is the 19737th most frequent Korean word.
엉덩이가
"엉덩이가" means "buttocks" or "hips" in English.
Here, the word '엉덩이가' is used as the subject of the sentence to indicate the part of the body (hips) being acted upon or experiencing the action (falling off).
엉덩이가 침대에서 떨어졌어요.
The hips fell off the bed.
In this sentence, '엉덩이가' describes the area of discomfort and works as the subject to explain where the pain is located.
엉덩이가 아파요.
My hips are sore.
'엉덩이가' functions as the subject showing the part of the body that has undergone a change through exercise.