Proud of yourself or your team..... Brag about it here.
They are the rights granted to a person that allow said person to boast on themselves to a certain extent without being looked down on for it.
Bragging rights may be granted to a person for (but not limited to) the following reasons:
-An Amazing Achievement
-Attaining something greatly desired by many people
-An unfortunate event that can be viewed as positive for different reasons
Have Fun, Be Nice, Keep it about yourself.