clopping

noun2

1. •
   The sound or action of something that clops.

   • The hooves' cloppings came to them down the path. — 1989
2. •
   (slang) The act of masturbating to erotic fanart of My Little Pony characters.

   • According to an internal study undertaken by bronies themselves, 19.05 per cent of respondents engaged in clopping. — 2013