This defines a monkey that is missing its sack. This means they can have no children so they are lonely, This defines what it means to have no sack as a Silver Back Gorilla
Person 1: "yo I heard moh finna beat up gaby after lunch for sleepin wit his girl"
Person 2: "bitch, pleasee moh all sack but no balls"
Person 1: "shiitttt true my g"