Green’s Dictionary of Slang

duck v.1

[SE duck (one’s head)/duck n.6 ]

1. [late 19C–1920s] to travel, to go.

2. [late 19C+] (also duck on) to avoid, to escape from a person or thing.

3. [20C+] to hide.

4. [1950s] to get rid of.

5. see nod the nut under nut n.1

6. see duck out v.

In compounds

duck-arse (n.) [arse n. (3)]

[1980s+] (Aus. prison) a lazy prison officer.

duckhole (n.)

[2000s] a hideout.

duck-out (n.)

see separate entry.

In phrases

duck out (v.)

see separate entry.

duck the nut (v.)

[] () to hide oneself (and then to run off).