(also sitting target)
Definition of sitting duck in English:
A person or thing with no protection against an attack or other source of danger.
- This left them open for attack like sitting ducks.
- It doesn't matter if the human heavy tank can make itself invulnerable if it's just a sitting duck for air attacks.
- 'He's a sitting duck, a victim,’ he said.
Definition of sitting duck in:
- US English dictionary