A fork of Rural Dictionary
A decade is 10 years, and well.. a duckegg is 12 years. Although it isn't usually duck eggs, eggs from the store most of the time come in an egg carton of 12. Therefore a duckegg is 12 years.
Max: Dude, when's the last time you ate a dick? Jake: Been over a duckegg. Max: But you're only 11. Jake: Yee