QPQ = quid pro quo or "this for that", meaning an exchange, usually even or fair. A basic principle in maintaining relationships and partnerships.
We can get a discount on legal billings if we give them QPQ next quarter on our accounting fee.

My girlfriend gives me great blowjobs, cuz she loves my QPQ on her pussy.
by Jasper Ferg March 04, 2011
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The popular 'quid pro quo' universe is the one first used in rillrill's Whamilton fanfiction and is a popular AU in the Hamilton Community. The universe is a modern day interpretation with George Washington, Alexander Hamilton and many of their historical acquaintances as political figures.
This is a QPQ-verse fanfic
by A Violet Lamp June 22, 2018
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