Yin Yang
Okay... Don't listen to anyone else because most of them are dumbasses. The spiral (Yin-Yang) is most commonly Good and Evil (White and Black), but it can be among other things as long at it's opposing the other.
Synonyms for Yin Yang
On this page, you will find 30 slang terms related to Yin Yang. Some of the top words include: basil, cap10l2, yellow people, fake aZn, gnat, and 25 more.