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1.
RDF
Reality distortion field. Term coined Bud Tribble of Apple to describe Steve Jobs' uncanny ability to charm the masses. This causes Apple fans to exaggerate advancements and praise sub-par technology.
"Wow, even more Mac hype. How does Jobs get such a devout following even when he continues to churn out low quality tech?"
"They're caught in his RDF, brah."
by Gill Bates. January 07, 2009
 
2.
RDF
RDF is The Reserve Defence Forces is the title given to the reserve components of the Irish Defence Forces. It comprises the Army Reserve (AR) and the Naval Service Reserve (NSR).

It was established on October 1, 2005 and replaced the second line reserve, previously named An Fórsa Cosanta Áitiúil (FCA) in the case of the AR, and An Slua Muirí in the case of the NSR.
In 1997 a steering group was convened by the Chief of Staff of the Irish Defence Forces to conduct a special study on the restructuring of the Reserve Defence Forces. The report was completed in May 1999. The Reserve Defence Forces was established in 2005 in line with the recommendations of this report, and as part of a wider restructure of the defence forces from 2000.

The Army Reserve has three reserve infantry brigades (with an establishment of 9,292 personnel), and an integrated reserve (2,656 personnel) forming part of the regular army unit structure.

The Naval Service Reserve has an establishment of 400 and is organised into two groups, each consisting of two companies.
I am in RDF
by megaman09 January 07, 2009
 
3.
RDF
An abbreviation, stands for the Reserve Defence Forces in the Irish military. Also PDF is another abbreviation used in the Irish military, this stands for the Permanent Defence forces.
Them two weeks I spent at my RDF recruit camp were the best two weeks EVER.
by Claire_likes_tea January 06, 2009
 
4.
RDF
Acronym for "Rain, Drizzle and Fog"
"The forecast is calling for three full days of RDF this week."
by Ryan aergaegera January 06, 2009
 
5.
RDF
The most gayest clan on call of duty 4. They really aren't good at call of duty 4. They suck up for people to join their clan. a clan of 83 year olds can kick their ass. To prove how stupid they are and how unoriginal their name is it stand for Recon Delta Force
pre game lobby:

xRDFxfaggotx: hey guys, does anyone want to join RDF

sofamouz: no your clan sucks...i would rather join a clan filled with nursing home grannies

xRDFxfaggotx: come on, ill suck your dick if you join us

sofamouz: no im good, i dont wannna be in a clan filed with cock suckers


by electrik kontrol April 04, 2009
 
6.
RDF
RDF = reality distortion factor.

A male syndrome encompassing all the major symptoms of SPS (small penis syndrome) but bolstered by a insane need to prove ones self worth by distorting reality in thoughts, deeds and emotions.
"I backed it in on the outside of this guy at Miller for the pass. Unluckly for me they red flagged the race and he got the win....now our boy Dom is the man. He's living the dream and by seeing this it gives me more fuel to try harder. "

obviously the RDF in the above statement is at a 8.3 or even 8.5.
by motogod May 18, 2007
 
7.
RDF
An internet acronym meaning "really damn funny".
1. What, only 2 Buchholz cracks?
2. There would be more, but a couple of folks are missing their laptops.
1. RDF.
by Vegas Watch August 23, 2008