Two pot night

a two pot night is when you are having a disagreement with somebody you live with, normally a spouse. its called a two pot might meaning you use two cooking pots to make dinner because both people are mad so they don't want to make dinner for the other so they end up each cooking the same thing separately

Person one: wow you two seem tense.
person two: yeah its a two pot night, person three said this dress made me look like a rhino!