1. A person who deals in complaints.

2. A miserly person who frequently bores others with tales of woe.
Jon wouldn't do as I asked, so I had to refer the matter to the complain dealers.

That Jon is always moaning about his lot in life. He's such a complain dealer.

Some complain dealers will charge a 10-basis-point spread on an uncollateralised swap.
by Cornflakey August 24, 2010
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