Dictionary / Vocabulary / 蛮カラ
ばんカラ · also ばんから、バンカラ
scruffy; unconcerned about one's personal appearance; rough and uncouth vigor (vigour)
Also written 蛮から、蛮襟
俺は青二才の頃は蛮カラぶって真夏に二週間ほど、お風呂に入らなかったこともあった。
When I was young, I was a bit scruffy and there were times when I didn't take a bath for up to two weeks during the summer.