TbT

verb
An abbreviation for "Trolls be Trolling".
when internet trolls are acting up, or trolling.
Troll "Steve Jobs owns a PC"
Mac User "WHAT THE F*CK DID YOU JUST SAY!?!?"
Bro "Dude chill, tbt"
Me "BIWFD"
by boysitswhatsfordinner May 03, 2011
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Throwback Thursday. Used on Instagram when you post an old picture of yourself on Thursday. Old pic should be from a different era of your life, not last week. Bonus points if you theme it to the time of year you are posting e.g old Halloween pic at Halloween.
by TheBearodactyl June 25, 2013
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tbt

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 01, 2014
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Today is TBT!
by Layzee888 July 19, 2012
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TBT

(T)hrow(b)ack (T)hursday. A social media post that references the past. Basically the same thing that the Timehop app does for you every day. Usually used in the form of a hashtag.
by kevrone February 25, 2014
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TBT

natalie: That guy is a major sly dog.
Yasmin: tbt!
by Yasmin and Natalie February 08, 2009
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It's a hashtag on Instagram #tbt
by Famfafa April 02, 2018
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