A fork of Rural Dictionary
or "yeardropping" An action under the same category as namedropping - used to describe the case where a person uses any rare occasion to mention a specific year with the purpose of sounding a bit superior. Generally used by douchebags or academic hipsters.
Bill: "Oh, remember to backup the computer before doing anything, right?" Steve: "Don't mind that, I got TimeMachine - automatic backup since 1997" Bill - (darn, I hate when he's yeardropping my ass)