1
person (generally male) who won't learn their lesson;persistent jerk
Other forms
懲りないやつ 【こりないやつ】
1
to learn by experience;to learn one's lesson;to learn the hard way
これで彼女も懲りるだろう。
This will teach her a lesson.
2
to be discouraged (by);to have enough (of);to be disgusted (with)