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The act of slipping an object such as a pen or pencil in one's nose or ear as if no one else would notice. This is sometimes followed by smelling it or putting it in ones mouth.
Paul: "Did you see Stephen slip that pen up his nose during our 10:00 meeting? Talk about input."

Jimmy: "That was the deepest penciltration I've ever seen."
by Horshack April 08, 2010
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