sitting duck
An obvious, vulnerable target.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“Without a shield, the soldier is a sitting duck.”
“The old computer has no security software, making it a sitting duck for hackers.”
“By leaving his flank exposed on the open battlefield, the commander inadvertently rendered his entire infantry unit a sitting duck for the enemy artillery.”
- 01
all duck or no dinner
All or nothing.
- 02
break one's duck
To do something for the first time.
- 03
dead duck
One who is in serious danger or trouble.
- 04
duck down
To crouch in order to hide or protect oneself.
- 05
duck off
To lie low; to hide.
- 06
duck out
To depart quickly or exit abruptly, especially in a manner which does not attract notice and before a meeting, event, etc. has concluded.
- 07
duck soup
Something which is easy; a piece of cake.
- 08
ducked off
Lying low; hidden.
Last updated August 10, 2026