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
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...
An anadrome is a word that forms a whole new word when you spell it backwards. For example, the word “stressed” spelled backwards is “desserts.” Some people’s first names are anadromes. There’s the girl named Noel...