An extremely warm and sincere hug received from someone with whom you've have never had intimate relations. Involves a firm (but not tight) embrace for 2-4 seconds, a warm rub on the back, and, typically, something said softly into your ear. Most times leaves the recipient feeling like the hugger liked them more than they realized.
I approached Monica on her last day at work to simply say goodbye but she extended her arms and gave me one of the best puzzle hugs of my life.
by Onepocket June 11, 2014
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not simply a hug, but a heightened state of synchronicity. The power and synergy of two individual’s matter and electricity momentarily colliding, accepting and uniting, perfectly and flawlessly connecting, fitting together irreducibly like two puzzle pieces.

Essentially linking together two life size covalent bonds and for whatever short amount of time losing where you end and they begin.
e.g. ii It was not only comforting but time itself stood still as I was lost in the embrace of a puzzle piece hug
by Portrayal_of_life January 28, 2010
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