naked handshake
A guy-to-guy greeting that involves grabbing each other's dongs like they're trying to show off who has the bigger one.
At the beach, the two guys did a naked handshake and then swam to the deepest part of the lake.
In the middle of the bar fight, the two rivals did a naked handshake before throwing punches.
At the family reunion, the two uncles did a naked handshake and laughed like they were kids again.