what does tbt stand
TBT stands for âthrowback Thursdayâ and is one of the most popular hashtags. TT stands for âtransformation Tuesdayâ and is usually used to show a change in appearance (weight loss, haircut, etc.). FBF stands for âflashback Fridayâ and is pretty much the same as TBT, except itâs used on Fridays.