Short for Adrenaline. An online group of people that DDoS, hack accounts, and are complete badasses. Generally like to fuck with xbox live kids and never pay for anything themselves. Adrenaline iLLuSioNz is the hacking branch
"Omg he has AdR in his name! we gotta get the hell outta here."
by oRedruMo April 12, 2009
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When a film or television producer shows up to a formal ADR session extremely hungover - the acronom takes on a new meaning: "Additional Drinks Required"
Dude, I showed up to my A.D.R. session this morning and let me tell you, there were Additional Drinks Required.
by anthubc2010 - Dr. Rand Mcnall October 07, 2010
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