Definition from Wiktionary, the free dictionary
clown + -ery
- The behaviour of a clown; clownishness, tomfoolery.
- 2009 May 9, Joshua Robinson, “Five-Run Inning Gives Mets Room for Errors”, New York Times:
- Defensive clownery by the Mets at certain points of the game ultimately cost the 22-year-old Niese his first major league win in eight months.