DGG = Da Gor Gor = Big Brother
EGG = Er Gor Gor = Second Brother
SJJ = Sumin Jie Jie = DS = Da Sao = Sister-in-Law
But I find DS sounds too old so I only call SJJ that in front of miscellaneous relatives with a traditional mindset.
Here’s a side profile of DGG:
You know your eye circles are too dark when your friends mistake it for smudged eyeliner. Sigh.