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1.
The invisible wall made of nervousness and/or fear of embarrassment that prevents you from texting someone.
Hey dude, I finally overcame the text barrier and texted that hot girl I met last week.

Girl 1: The guy I like texted me last night and we had a whole conversation!
Girl 2: Good for you, the text barrier has been broken!

I said something really embarrassing to Tanya the other night and now there's a text barrier between us.
by LOLrobots March 17, 2012