Caligulismn.
A mad extravagance such as Caligula committed.Apparently an isolated use.
ΚΠ
1745 H. Walpole Lett. to H. Mann (ed. 2) II. 103 Alas! it would be endless to tell you all his Caligulisms.
This entry has not yet been fully updated (first published 1888; most recently modified version published online September 2019).
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