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To pour hot water over used coffee grounds to squeeze an extra cup of coffee out of them.

True shermanizing is accomplished only when the coffee runs out and you don't want to bother brewing another pot for someone else, so you give him shermanized coffee and pretend it's the remains of a full-strength pot.
Has Tom gotten his morning coffee yet? No? Quick, shermanize a cup!
by underscorebleach January 22, 2006
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