look up any word, like bootylicious:
2. DFO
Dun Fell Out
Dun Falled Out

It is a fire/EMS term
Ryan just DFOed.

Tom DFOed and the medics came and took him away.
by Tommy D Feb 17, 2005 add a video
1. dfo
Done Fell Out. (emergency medical slang)
" Uncle Ben went all staggery and dfo'ed right over there."
by J.E. Walker Apr 26, 2003 add a video
3. DFO
Acronym for "Dumb Fucking Operator". A term most commonly used in the IT industry to describe the most common cause of almost any computer-related problem.
"I just got back from that customer site and sure enough it was a DFO error...again!!!"
by BrettMan May 19, 2004 add a video
4. DFO
a short for Darkfall Online.
guy1Have you been playing DFO lately?
guy2Yea I have been playing it like 24/7.
5. DFO
Don't Flip Out

Hit song of TAWSW, said to someone who is flipping out.
Yo man, seriously, DFO
by Okra May 10, 2004 add a video
rss and gcal