Wiktionary
vb. 1 (context idiomatic intransitive English) To depart quickly or exit abruptly, especially in a manner which does not attract notice and before a meeting, event, etc. has concluded. 2 (context idiomatic transitive English) To depart quickly or exit abruptly by way of, especially in a manner which does not attract notice and before a meeting, event, etc. has concluded. 3 {{context|idiomatic|intransitive|followed by (term of English) or (term from English)|lang=en}} To move or act so as to achieve avoidance, escape, or evasion.
Usage examples of "duck out".
Smith told me to decoy Ben Duck out into the country, and hold him there until detectives could arrive.
Sydney plucked the duck out of the water and gave it a couple of squeaks.
If Lark was reckless with Blue Duck he would beat her so that she could not move for three days, and then he would drive Blue Duck out of camp, or else kill him.
With two large tears rolling down his face, he held the duck out ro Kitiara.
A small red-tinted flashlight came on, and Valmont kicked the duck out of my hand.
And at least she doesn't duck out at the last moment because of a lovers' tiff.
I took my duck out of the drawer, instead, and studied it for signs of progress.
I asked nonchalantly, leaning over to get my duck out of the drawer.
Eileen, Hans and Roger load up their packs - very heavy loads, they find when they duck out of the cave - and start up the fixed ropes.
He simply decided to duck out on the Great Warthe First World War, they call it nowand he never found a reason to come back up from underground.