A "congratulatory hug" is a physical embrace or embrace-like gesture that is given to someone as a way to celebrate and show happiness or support for their achievements or good news. Full definition
«Touchdown confirmed, we are safe on Mars,» engineer Allen Chen said over the radio, eliciting tears of joy and congratulatory hugs between all the blue - shirted Jet Propulsion Laboratory staff. (businessinsider.com)
Shani Davis wasenjoying a victory lap shortly after winning the 1,000 meters last Saturdaynight when Erben Wennemars, the Dutchman who had finished third behind Davisand Joey Cheek of the U.S., offered a congratulatory hug. (si.com)
But, to truly celebrate a baby's birth, the most important thing to bring is best wishes and a congratulatory hug. (pregnancy-info.net)