Originally "throwback Thursday" but now often used on other days. Can now stand for "throwback to" to indicate an old photo, thought, idea, etc. Often used in social media to reminisce, as usually social media is supposed to show the "here/now/recently."
#tbt the time I only drank milk
#tbt me as a cute 5 year old
#tbt corded phones
by s2m January 1, 2014
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girl 1: the way he looked at me, you could tell he was tbt
by lolser July 26, 2009
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The definition of TBT is "Truth Be Told"

TBT means "Truth Be Told"
TBT is an acronym, abbreviation or slang word that is explained above where the TBT definition is given.
by ReymondGraphicz January 24, 2014
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To be tested
Did you fix it?
Yes, but it's tbt yet
by piska-pipiska August 16, 2018
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to be true
tbt I didn't write my english essay, my sister did
by fran9897 March 24, 2014
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