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An unprofitable customer, or a customer that costs the business.
If we let him use all those coupons we'll go broke. Tell that costomer to go away!

That guy keeps finding little glitches in our program, and it's taking like 5 hours a week of our time just to help one person. Plus he's always sending spam and we're getting letters from ISP's. He is a VERY BAD COSTOMER.
by Benjamin A March 05, 2007
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