When you expect a text back from someone, without wanting to add 'TB' at the end of the message.
Timmy: Night Julie, just wanted to tell you that I love you and want to be with you for the rest of my life. XXXX

...

Timmy: (an hour later) God dammit that text so obviously had a silent TB at the end!
by ross410 September 5, 2009
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