The jokey term for the U.S./Mexican Border. Referencing to the Iron Curtain of the (former)USSR.
"There,beyond the tortilla curtain,is America.The BradyBunch,EarthWind&Fire y todo"
by Jeff8A November 25, 2007
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1) A really shitty book

2) A highly sexual survival technique used to conserve heat in the most desperate situations, (or just for fun). The act of putting your head between a girls butt-cheeks, and forcing her to fart to warm up however much of your face you can fit in there.
Dude, yesterday it was so cold out we pulled a tortilla curtain, but i only got nose-deep
by somekidwithdiabetes21 January 26, 2011
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