Down For Anything. Someone who is always interested in your plan for hanging out. When you suggest something to do they frequently reply, "sounds good".
Kate: "Did you ask Jon or Fairlie if they want to come with us tonight?"
Chris: "Ah, yes I did. Of course those two are always DFA."
Designated for assignment, a step that a Major League Baseball team takes in order to send a (soon-to-be former) major league player back to the minors under certain contractual conditions. "DFA" is often used as a verb.
"That player hit his ceiling, so the general manager DFA'ed him."
wordJK2 term. Acronym for "Death from Above." Used to describe both the red- and yellow-saber-style special moves, both of which involve hitting an opponent from above.