Resting dumb face. To look like an idiot while your face is in resting position.
Holy shit, look at Ryan. The RDF is strong with that guy.
by Yopassdat June 14, 2018
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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
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Man: Damn, you got some pretty toes. Let me rub those feet.
Woman: I love it when you RDF.
by Edefiner February 07, 2015
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Short for reality-distortion field. An expression used to describe the persuasive ability of managers like Steve Jobs (the term originated at Apple in the 1980s to describe his peculiar charisma). Those close to these managers become passionately committed to possibly insane projects, without regard to the practicality of their implementation or competitive forces in the marketpace.
Steve Jobs is extremely demanding of all those around him and has a very low tolerance for anything but excellence. Because he can be shockingly blunt in his dealings with others, he is often portrayed as abusive, but this is dead wrong. He simply demands/expects great things from everyone around him. I honestly believe he can't understand why anyone would want to waste their time doing anything less than great.
by Sam March 21, 2005
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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
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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
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Resting dopey face. When someone can't help the retarded expression that always happens to appear on their face even when they don't try. The face is contorted into a confused, open mouthed expression with eyes darting around in every direction. It's hard to tell when someone with an RDF is talking to you because they tend to look in the other direction with their head tilted down and their limbs flail around. People with RDFs try to get angry but no one ever takes them seriously.
Renee has an RDF and her limbs flail around.
by TDub250 June 30, 2008
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