"Healthy and attractive inner thigh, thighs" is "꿀벅지"(kkul-bŏk-tchi) in Korean.
It is compound word of 꿀 (honey) + 허벅지 (thigh). It is the words that the media often use when you express the healthy and attractive inner thigh, thighs, such as KPOP girl group and athletes. This word is came from the girl group member name Yui in Afterschool.