antisocial personality disorder (ASD)- personality disorder in which the person (usually male) exhibits a lack of conscience for wrongdoing, even towards friends and family. May be aggressive and ruthless or a clever con artist.
The best part of Zoo Tycoon was dragging the visitors into predator enclosures and deleting fences so the animals could go on a rampage. With the prehistoric animals expansion pack, you could recreate Jurassic Park, complete with guests being devoured due to fences inexplicably deactivating.