2016er 

Someone caught in every modern trend and just goes with the majority opinion all the time.

"OMG that is sooo last year"
"Ugh they are such a 2016er"

2016er by BecomeASmartass January 17, 2017

2012er 

-noun

an individual who is under the conviction that an apocalyptic event will occur on the 21st of December, 2012. This belief is a result of an attempt to explain the ending of the Mayan calender.

2012ers can be spotted wearing aluminum foil hats stopped on the side of the road selling vegan-tofu jerky.

2012er by 2012er2 July 3, 2009