three-nager
n.— «Whoever invented the word “three-nagers,” was clearly speaking from bitter experience—they were describing three year olds with the rebellious spirit of a teenager, but none of the reasoning skills!» —“House Of Tiny Tearaways” TV One (New Zealand) Apr. 9, 2006. (source: Double-Tongued Dictionary)
Further reading
Martha from Rock Hill, South Carolina, wonders about the phrase She’s got the botts, meaning “she’s pouting.” The botts, also spelled the bots, refers to “a general malaise or moody spell,” and the bot in this case is the same bot in the botfly, a...
Ron in Gloverville, South Carolina, wonders about the phrase since hatchet was hammer, which some use to mean “for a long period of time,” as in My family has lived here since hatchet was hammer. Another phrase he’s heard indicating the same thing...