na-adjective, noun
Describes a person, especially a woman, whose speech or behavior is crude, flippant, or lacking refinement. Often used for a cheeky, forward attitude.
See also: 蓮葉 (はすは)
彼女の蓮っ葉な物言いには驚かされた。
I was shocked by her vulgar way of speaking.
蓮っ葉な態度をとるのはやめなさい。
Stop acting so wantonly.
Derived from 蓮葉 (はすは), literally 'lotus leaf', which came to mean 'shallow' or 'superficial' and then 'flippant' or 'vulgar'. The geminated form 蓮っ葉 is now standard.