Patrick Leigh Fermor (1915-2011), Mani: Travels in the Southern Peloponnese
(London: John Murray, 1958; rpt. New York: New York Review Books, 2006), p. 148:
We boarded Panayioti's little caique, the St. Nicholas, just before dawn broke. Four black-shawled women and a ragged priest clustered in the stern and, at the embarkation of the latter, Panayioti with a wink made the privy gesture of spitting to avert the Eye and the evil fortune which is supposed to dog the footsteps of priests, especially on a ship.*
* The alternative exorcism is to touch one's pudenda.