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An idea or subject, usually flawed, which perpetually resurfaces in conversation despite having been discussed to death long ago.
A: If evolution is real then how come we never see monkeys turn into humans, huh?
B: Oh god, not that old chestnut...
by FeO2 August 16, 2011
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Jul 6 Word of the Day
Phrase meaning that a deceased cannot rest in peace until society changes due to the circumstances of a death.
People said rest in power for the unarmed man had been shot by the police.
by FooBarBiz October 12, 2017
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A person who takes ones virginity.
"That old chestnut popped my friend Kristen."
"I'm going to bang a virgin so i can become an old chestnut."
by J easy December 22, 2006
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