TFD is an acronym for Team Fag Drag.
Team Fag Drag(TFD) was formed in 2006 to upset their opponents in the Vintage world of Magic The Gathering.
Comprised of 3 players. Bean, The Jeff, and Munch.
They Bring it to the next level.
Bean, Jeff, and Munch tried to enter a tournament with the team nameTeam Fag Drag, the officials did not like this so they abreviated this with TFD.
You can use to emphasize your lack of understanding of a subject/concept.
or
Use it in a way to say that nigga's balls are cute.
HotTeacher : What is the author's intent when writing "and thou shall suck my fat fucking balls."
Student1 : TFD this even mean!? Even I don't know this useless information!
Student2 : Who TFD?