onanism

plural onanisms

1. datedformaluncountableusuallyMasturbation.

   This photograph was far superior. A nude woman was sitting on the edge of a desk next to a globe of the world. The suggested onanism with the piece of chalk intrigued Ignatius.

   1963 (date written), John Kennedy Toole, chapter 11, in A Confederacy of Dunces, London: Penguin Books, published 1980 (1981 printing), →ISBN, page 247

   1 more example

   Hypochondriasis, hysteria, chorea, epilepsy, apoplexy, and palsy, constitute part of the list of dire maladies induced or immediately excited, by onanism and immoderate or ill-timed coition. The memory and intellectual faculties, in general, are enfeebled, and there are instances of complete idiocy, brought on by early and continued onanism, and of insanity from similar excesses later in life.

   1839 February, John Bell, M.D., editor, The Eclectic Journal of Medicine, volume 3, number 4, Philadelphia: Haswell, Barrington, and Haswell, page 147

2. datedformaluncountableusuallyEjaculating outside the vagina during intercourse; (the performing of) coitus interruptus.