Green’s Dictionary of Slang

necessaries n.

[euph.]

1. the genitals.

[UK]Partridge DSUE (8th edn) 783/1: since ca. 1940.

2. a condom.

[UK]C. Dexter Daughters of Cain (1995) 189: What about a little ride with me, darlin’? I got the necessaries.