Top definition
the rate at which you get reply text messages from a friend/guy.

a high TBT would indicate interest or a good friend

a low TBT means they're not really interested or have more intersting things to do than text back to you.
"My self-worth measured in text back tempo
it's been 2 days and 8 minutes too slow"-Imogen Heap (Half Life).

"i think this guy likes me, his text back tempo is really fast"
by miss.belief October 15, 2009
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