TBT

== English == === Noun === TBT (plural TBTs) (nautical) Initialism of target bearing transmitter. (Internet slang) Initialism of Throwback Thursday. Initialism of throwback to. (web development) Initialism of total blocking time. === Adverb === TBT (Internet) Initialism of truth be told. === Anagrams === BTT == Portuguese == === Etymology === Unadapted borrowing from English TBT. === Noun === TBT m (plural TBTs) (Internet, initialism) Throwback Thursday