What's the plural form of territorial pissing? Here's the word you're looking for.
Answer
The noun territorial pissing can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be territorial pissing.
However, in more specific contexts, the plural form can also be territorial pissings e.g. in reference to various types of territorial pissings
or a collection of territorial pissings.