It means to behave properly.
The Good Book = The Bible
its good to be Patient
It means to be a nice person
Acha Din is a HIndi phrase which means 'Good Day'.
To tease someone quite vigorously
the more good things..the better it is!!
It's good, good, I love you
It means "they are good parents".
GG means Good Game a sign of respect.
If you're in someone's good graces, you're respected by them and they consider you to be a good person and a friend.
It means the person is planning to stay around "for good" or until the end.
Literally, it means "good trip," but it is best interpreted as "Have a good trip!"