Green’s Dictionary of Slang

dig out v.

[dig v.1 (2)]

1. [mid-19C–1940s] (US) to leave, to depart.

2. [1910s+] to attempt to get something one desires.

3. [1980s] (Irish) to separate from.

4. [1990s+] (US black) to have sexual intercourse.

5. in trans. use of sense 1, to throw out.

SE in slang uses

In phrases

dig out someone’s eye (v.)

[1950s+] (W.I.) to cheat in a business deal.