Top Definition
The Iron Curtain is a term used in the West to refer to the boundary line which divided Europe into two separate areas of political influence from the end of World War II until the end of the Cold War. During this period, Eastern Europe was under the political control and/or influence of the Soviet Union, while Western Europe enjoyed political freedom (see Free World). The term comes from a long speech by Winston Churchill on March 5, 1946 in Fulton, Missouri:

The phrase had been used a year earlier, in an article on "The Year 2000" by Joseph Goebbels:
"From Stettin in the Baltic to Trieste in the Adriatic an iron curtain has descended across the Continent. Behind that line lie all the capitals of the ancient states of Central and Eastern Europe. Warsaw, Berlin, Prague, Vienna, Budapest, Belgrade, Bucharest and Sofia; all these famous cities and the populations around them lie in what I must call the Soviet sphere, and all are subject, in one form or another, not only to Soviet influence but to a very high and in some cases increasing measure of control from Moscow."


"If the German people lay down their weapons, the Soviets, according to the agreement between Roosevelt, Churchill and Stalin, would occupy all of East and Southeast Europe along with the greater part of the Reich. An iron curtain would fall over this enormous territory controlled by the Soviet Union, behind which nations would be slaughtered."

by Gumba Gumba March 21, 2004
Phrase used to describe it when a woman's pubic hair is so massive, it prevents anyone from getting inside her.
"Everything was going great until I got her naked and I realized no one can penetrate the iron curtain."
by Brenda Barger July 27, 2006
The wall of hair on a bald man's head that doesn't fall out, thus giving him a chance to regain his decency via extreme comb over or a hair transplant.
Hey man I saw Adam the other day and he's really going fucking bald, but his iron curtain is impeccable!
by PPBM January 28, 2012
Iron curtain skirt (Japanese Tetsuheki Sukaato, lit. Iron Wall Skirt), in Otaku sense related to the situation where under any circumstances, a video game, movie or anime, the heroine wearing skirt could never reveal her underwear (see Schrödinger's panties); Iron curtain refers to the skirt which performs the perfect underwear visibility coverage under almost impossible situations.

Note that Schrödinger's panties refers to the improbable situation while iron curtain refers to the skirt.
(see Schrödinger's panties)

Is the secret behind iron curtain superglue?
by AnnihilatorX August 30, 2009
To place one's arm across another's shoulders while placing a forceful grip on their arm so that they may not escape. The iron curtain is completed when you let all of your body weight rest on the other person so they are essentially holding you up. This act when preformed on women could lead to being bunned if extreme caution is not exercised.
Person 1: "Man, he was so drunk last night, I totally got the iron curtain."
Person 2: "At least you didn't get bunned"
by La'K July 29, 2011
The "Wall" of Iron Balloons sent out mid-game while playing the iphone game "Balloons Tower Defense Battles." It is unavoidable. It is defeat.
God damnit. He just used the Iron Curtain again.
by UrbanDictionaryOfficial3 April 28, 2015
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