1)One who navigates the high seas of dudes in search of the elusive nutsack.
2)A homo who spends his whole time at a party trying to score some nutsack
1)Dave is such a nutsack navigator. At the party last nite all he was doing was hitting on as many guys as he could cuz he was trying to score some nutsack.
2)Stop staring at me you nutsack navigator. The gay parade is that way(points in direction away from him).