Discover what does DTF mean in slang — its origin, usage tips, and funniest online moments in this upbeat, meme-savvy guide. Learn what DTF slang means , its origin, how to use it, and the funniest online moments. Get the ultimate guide to DTF slang here! In a text, DTF means 'Down To F"ck' and 'Direct To Film.' This page explains how DTF is used in texting and on messaging apps like Instagram and TikTok. DTF (comparative more DTF, superlative most DTF) (Internet slang, dating, vulgar) Initialism of down to fuck (“willing to engage in casual sex without necessarily seeking that in particular”).