Green’s Dictionary of Slang

accoutrements n.

[SE accoutrements, apparel, outfit, equipment]

the male genitals.

[UK]Farmer & Henley Sl. and Its Analogues.
[US]B. Rodgers Queens’ Vernacular.
[US]R.O. Scott Gay Sl. Dict. [Internet] accoutrements: 1. male genitals.