2013, Peter Andersson, Streetlife in Late Victorian London: The Constable and the CrowdHat-tippings and cap-doffings are of course of a different nature to more elaborate verbal greetings. In etiquette manuals they may be described as incentives to a conversation, but in practice they seem to have been quite ceremonial.
The dumping of rubbish.
(music) A distinct articulation given in playing quick notes on the flute, by striking the tongue against the roof of the mouth; double-tonguing.