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1.
Hooking up with someone from every year that you're in college.

This means that someone who is Class of 2013 will be responsible for 2010, 2011, 2012, AND, 2014, 2015, and 2016.
Emily is on the prowl to finish her Golden Decade tonight. She only has to bring a freshman home.
by CollegeGirl October 02, 2012
 
2.
The time period between 2010 and 2020. Called the "Golden Decade" because of the 2012 anomaly, possibilities of global nuclear war, and rapidly increasing technology. It is believed if this decade is lived through, the "Golden Age" may come to earth.
person 1: Why should we call it the Golden Decade if all this bad stuff is supposed to happen?
person 2: Because, retard, if humanity passes these tests, earth will enter the golden age before the end of 2020.
person 1: How do you know?
person 2: Because i have the internet, duh.
by DouglasJB January 06, 2010