decaversary

plural decaversaries

1. informalrareThe tenth anniversary of something.

   where Rick and Dara took their vows. The priest was good, and the cake was good, and the wine so kickass special that they saved a liter to share on their decaversary.

   2003, Albert Goldbarth, Combinations of the Universe, Ohio State University Press, →ISBN, page 122

   1 more example

   The annual summer concert series is marking its decaversary by bringing back blink-182, the inaugural artist from the first Honda Civic Tour in 2001, along with My Chemical Romance, for a 40-plus date nationwide.

   2011 October, Susan Segal, “Coast Calendar”, in Coast Magazine

   Synonyms: decennial, tin anniversary