It just occurred to me to wonder about the etymology of "tattoo". Surprise: it is from Dutch, and was something like "tap too" meaning no more beer served.
tattoo 2
n.,
pl. 3toos$ 5earlier taptoo < Du taptoe < tap toe, tap to (shut): a signal for closing barrooms6
1 a) a signal on a drum or bugle, summoning military personnel to their quarters at night b) in Great Britain, a military spectacle featuring music, marching, and military exercises
2 any continuous drumming or rapping
vt., vi.
3tooed$, 3too4ing to beat or tap on (a drum or other surface)