The abbreviaton for the German word "Zwischentitel" which means subheading.
Person 1: "Why do German's have to label every subtilte with Zwtl, can't they just make the subheading font a little smaller?"

Person 2: "Do I look like the 'Grammatik Führer' to you?! No, so shut the hell up."
by wakle bea March 19, 2010
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