also: グッドジョブ
Casual interjection borrowed from English, used to praise someone's effort or result. Often used in informal, friendly settings.
After the presentation, my boss said, 'Good job!'
テストで満点を取った友達に「グッジョブ！」と声をかけた。
I said 'Good job!' to my friend who got a perfect score on the test.
Borrowed from English 'good job', with the common clipping グッジョブ being the most frequent form in Japanese.