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1.
Something that seems like a good idea at the time, but was a poor choice in retrospect.

Named after the titular decade.
Ex. 1

"Dude, I can't believe you dated Lindsey!"

"Yeah, that was pretty 80's..."

Ex. 2

I got pretty wasted at the party last night. Those tequila shots were pretty 80's.
by YoshiFtJ December 11, 2010