The Brief: TTFN is an abbreviation for "ta ta for now."

DEEP DIVE
TTFN was coined by the Winnie the Pooh character, Tigger. It can be a synonym for TTYL or BRB.
Off to #Oxford again this morning. Being a tourist in my own country! π€π¬πΈ
TTFN ππ½
— Lady V (@LadyV1705) August 5, 2018