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To take, steal, or pilfer something seen as unused, under the thief's belief they will make good use of it. Thought of as a euphemism to avoid guilt by believing the victim will not miss the item (or, if discovered, appreciate the act's necessity).
"He has a whole box of Pop Tarts, there's no harm if we necessitake a few."

"Who necessitook the flash drive that was on the counter? I need it back, please..."
by Patuxin October 28, 2009
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