What is Tfod?
1.
The Forces Of Darkness, a name used to describe the hun hoards, or as we commonly know them; rangers supporters (see knuckle draggers).
Board up yer windows. Lock up yer wife & daughters, TFOD are coming to town.
See
2.
Total Fuck Off Day. A day that could be spent mowing the yard, paying the bills, running errands, hanging out with friends or family, cleaning the house - but is, instead, spent in a total state of reclusive and meditative relaxation while shutting out the chaos of the rest of the world.
Ted: Hey bill, did you spend memorial day finishing that massive landscaping project like you said you would?
Bill: No, Ted, I didn't. I decided to enjoy a TFOD instead. It was awesome!
See