The deadly omega
As Beluga and Ben watched the sickly, aggressive dog outside the dog park, Beluga furrowed his brows. "Females are hesitant to meet unknown males because they're afraid of running into a very dangerous type of man—the omega…"
Ben raised an eyebrow. "Why? At that advanced age, Magneto won't get it up..."
…
Beluga was speechless for a while. "Not those omegas… The omegas I'm talking about are the ones in the bottom tier of the social hierarchy, below betas. They're the males who can't get any female. The terrible part is…that has the potential to distort them into the most dangerous characters. You see, sometimes, when a man lacks sex for a long time, it can drive him insane…
It may be because females have no interest due to his value being very low. Or maybe he has a physical or psychological issue resulting in an inability to have intercourse. Either way, it can twist a man's personality. Many serial killers emerged from such conditions.'