Cacoethes [ka-kə-WEE-theez]
Part of speech: noun
Origin: Latin, 17th century
1. An urge to do something inadvisable.
Examples of cacoethes in a sentence
"My brother admits to feeling a nagging cacoethes to pull pranks whenever our whole family gets together."
"I’m glad I followed the cacoethes to invest my money, since the return was enormous despite the risk."