1. (adj.) skill in managing negotiations while having/interacting with someone who has hard nipples, so that there is little or no ill will or awkwardness.
A foreign policy that centers on a head of state bowing to other nations in order to get a better deal as their slave. Popularized by Donald Trump and the Republican party of the 21st century
Donald Trump initiated his doctrine of Bowing Diplomacy when he bowed to KingSalman of Saudi Arabia.
When the US Head of State blatantly flips the big middle finger to his electorate by publicly kissing the ass of another fascistnarcissistpig to avoid complete personal humiliation.
I kind of majored in big birddiplomacy in early grade school when I started getting my bromances on with the other extortionist bullies.