The combination of the words "petty" and "etiquette" (also spelled pettyquette). This refers to the rules and etiquette of pettiness or behaving pettily or in a petty fashion.
Your pettyquette is on point... LOVE IT!
The pettiquette is here and real, I LIVE!
I do not understand the pettyquette here, but ok, slay.
Pettyquette is very important to win battles.