It is a veritable deathtrap and a bottle-neck.
They are victims of a range of social evils that are often compounded by their bad luck in living in dangerous, unhealthy and dirty deathtraps.
The misuse of warehouses and similar premises creates potential deathtraps.
Those roads are a deathtrap.
It is a deathtrap, anyway.
Its ecology can be politely described as a layered deathtrap, the planet's surface being encompassed in shadow by wroshyr trees that are many miles high.
This even goes as far as heroes, or other villains, insulting a villain for attempting to avoid using a deathtrap or staying to watch.
On some occasions, the deathtrap is a machine that absorbs the energy from the hero/heroes.