Top Definition
The suspicious gate that a woman has at the back of her throat that stops a man's semen from going down her throat during oral sex.
"Yo dude, my wife gave me the The Iron Curtain last night. She spewed seed all over the place!"
#load #blowjob #oral #semen #spit
by DartmouthInDaHouse September 01, 2009
5 Words related to The Iron Curtain
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