people ago

A unit of measure based on the lifespan of modern humans of approximately 100 years and used to give perspective on how recent certain developments were achieved by mankind.

"This country was founded in 1776. People live to be 100. That was just THREE PEOPLE AGO. Yeah, the 'Fear Factor' guy just hit you with a math quiz! That JUST happened. REEEAAALLL recent! ~ Joe Rogan