Wiktionary
ying-yang
alt. 1 (alternative form of yin-yang English) 2 (context slang euphemistic English) anus; asshole 3 (context slang euphemistic English) penis n. 1 (alternative form of yin-yang English) 2 (context slang euphemistic English) anus; asshole 3 (context slang euphemistic English) penis
Usage examples of "ying-yang".
Someone can be therapized up the ying-yang and still be a rotten human being.
However, when the story continues, it turns out that Amber itself is not an ultimate reality, but shares a Ying-Yang relationship with the forces of Chaos.