1. Noun. The external sac of
skin enclosing the testes in most male mammals. In
urban settings today, it is commonly known as the "balls" or a "balls
sack" of a male.
2. Adjective. In some settings, this term can be used to say a certain character showed courage or bravery whilst doing an action.
Example of the noun form:
"
Susan, my penisass is itchy again"
"frank, I really don't want to know about your balls"
"
SUSAN! my penisass doesn't like being called balls, you of all
people should know this"
an example of said term in its adjective form:
"You really showed some penisass back there when you saved that kid from the fire, Joe"
"Awe, thanks, man. I try; I try."