DTF is short for Donald Trump Fact. Something that is objectively, factually false, but uttered with great conviction, often repeatedly and bigly. Incidentally, this definition itself is a DTF. Synonymous with alternative facts.
No, Mr. Gore, clearly you inventing the internet is a DTF.
She who belongs to the Steets: What does DTF mean?
Me: Don’t touch flamingos I think
Down to have fun.
Thanks for inviting me out. Of course I'm dtf tonight.
Acronym for “down to play fortnite”
To want to or to be able to play fortnite all day.
Often confused with Down to fuck
Kyle: Bro are you dtf tomrrow night?
Brad: Nah I’m going to the lax game tomorrow.