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1.
to participate in long line-forming outside of Apple retail stores for new products overnight. An iCamper will have all his supplies to make it through the night, such as tents, flashlight, sleeping bag, urine bottle, gun, etc.

Often happens at Apple Stores in large cities.
"Hey, did you get the new iPad?"

"Yeah, I had to iCamp at the Apple store on Fifth all night long to get it."
by iGoTmAiPad April 08, 2010