also: あひるぐち
noun
duck face; duck lips
A facial expression where the lips are pursed and the corners of the mouth are raised, resembling a duck's bill. Often used in selfies and considered cute or playful.
彼女は写真を撮るとき、いつもアヒル口をする。
She always makes a duck face when taking photos.
アヒル口が可愛いとよく言われる。
I'm often told my duck lips are cute.