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1. A proposal of help that is tied closely to reciprocal action and mutual benefit, i.e., a returned favor, as is "you scratch my back and I'll scratch yours".
Example: "Jack, your quidproquosal is that that if I hire your sister you'll tell the IRS about my ex-boyfriend skimming from his business, right?"
He wasn't really interested in helping, it was just another of his quidproquosals.
by The Schnoppster December 25, 2014
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