gone pecan
n.— «“I’m a gone pecan,” the last two words rhyming.» —by Paul Fleischman Breakout Aug., 2003. (source: Double-Tongued Dictionary)
Further reading
A magnificent new book celebrates the richness and diversity of 450 years of written and spoken English in what is now the United States. It’s called The People’s Tongue, and it’s a sumptuous collection of essays, letters, poems...
When you think about it, the saying “I’m as old as my tongue and a little bit older than my teeth” makes a good deal of sense. It goes all the way back to the 18th century and Jonathan Swift’s Polite Conversation. This...
When I was growing up in New Orleans, I always took “gone pecan” (pronounced “GAWN pa-CAWN”) to mean “stubborn”, “unreasonable” or even “unofficially insane”.