1 definition by kianthar59

Top Definition
Someone who cannot form a single thought internally without some sort of noise spewing from their mouth.

Someone who says outloud exactly what they are typing/texting.
Man did you hear Debby today? Every little thing she did she exclaimed to the entire office. So annoying! Yeah, she is a really bad mouth thinker.
by kianthar59 July 30, 2010

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