Dictionary / Vocabulary / 下乳
したちち · also げにゅう
lower breast; underboob
彼は最新の宇宙物理学の知見を下乳の揺れ方に応用させた博士論文で大学の学長から表彰された。
He was awarded by the chancellor of the university for his doctoral thesis which applied the latest in astrophysical knowledge to how underboobs swing.