The annoying way one person (usually female) will pat another person (usually male) on the back during a hug, signifying that sex between the two will never, EVER happen. However, this can also used by males in a professional setting to avoid premeditated sexual harassment charges by a female colleague.
Ryan: "Dude, I hugged Veronica and she just gave me the back pat AGAIN."

Justin: "Yeah... she did that to me, too. We are so NOT getting any ass from her."
by djfour May 28, 2010
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a group of people who meet to give each other awards or compliments for the sole purpose of feeding their egos
I went to a town hall meeting and watched the aldermen thank each other for their hard work last year. It was a mutual back-patting society.
by noladoc April 27, 2014
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When folks do a good job handling work for a group
Callin did a great job collaborating with accounting for Alex, Graham, Chris, Branka, and Callin. He's our single back to pat.
by Alex-the-Great-001 May 12, 2022
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