The phrase "buy TT" most commonly refers to in a banking or international trade context, or TikTok engagement in social media marketing. 1. Finance: Telegraphic Transfer (TT)

: TT is considered one of the fastest modes of electronic money transfer . 2. Shopping/Social Media: TikTok Engagement

: The rate at which a bank buys foreign currency from you (an inflow) and converts it into your local currency.