TTBT
An acronym for top text bottom text, the standard meme format in the older times
Ayo I went on Facebook for the first time. Filled with old TTBTs
TTBT
short for "Truth to be told"
"TTBT, I only know I know nothing"
TTBT
Top top bottom top, a drinking cheers in which you cheers the top and bottom of you glass or drink and finish the rest of it!
TTBT, finish your drink!