Yes, this is my lu·na·cy

n. pl. lu·na·cies

1. Insanity, especially insanity relieved intermittently by periods of clear-mindedness. See Synonyms at insanity.
2. 1. Great or wild foolishness.
   2. A wildly foolish act.
3. Archaic. Intermittent mental derangement associated with the changing phases of the moon.

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