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A man or boy that maintains pseudo - romantic relationships through text messaging. He rarely relies on any other form of communication. These men may have a hard time communicating over the phone or in person. This may also be a guy who is Just Not That Into You. The text message boyfriend may stem out of the myspace boyfriend category
-Did you hear from TMB today?
-Text Message Boyfriend just asked where I was.
by TMGF December 11, 2006
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