The years 1901 A.D. to 2000 A.D., identified as the twentieth century of the world since the start of A.D.
The electrical grid in the eastern U.S. was the declared as "the great electrical system of the 20th century". The problem is, this is the 21st century.
by Jon Davis January 14, 2004
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My computer is so 20th century.
That music is so 20th century.
His values are so 20th century.
by Arizona Jaguar September 19, 2005
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the years 2000-2099
“it’s the 21st century!” - zain&yaseen

“no it’s not it’s the 20th century!”- people who think
by smartass10 August 30, 2018
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A logo that contains a structure that moves around with text, reading 20th Century Fox.
Justin said how he loves 20th Century Fox logos.
Minecraft Steve built the logo of 20th Century Fox.
by The Logo Fans in HD November 28, 2018
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Best manga ever
about childhood friends saving the world from an evil enemy named Friend.
by Yipee doo October 1, 2009
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it's slang term used in the later half of the 20th Century for a gorgeous person who is famous at the time.
1. when a young guy joined up at the Navy recruiter office (next to the Godfather's Pizza - pizza you can't refuse!) he posed under a large poster of Farrah Fawcet to get a snapshot taken. The poster showed her facing forward wearing a bikini! We all called her a 20th Century Foxy.

2. Carmen Electra, Cindy Crawford, Paulina Porizkova, Heather Locklear, all these chicks and more are 20th Century Foxies.
by I Saw U2 Live Twice June 27, 2009
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