Hobnob
American SlangDefinition
To socialize or mingle casually, especially with people of higher status or influence.
Examples
"After the film premiere, she stayed to hobnob with the producers and A-list actors in the VIP lounge."
"He’s always at those tech conferences, hobnobbing with venture capitalists and startup founders over cocktails."
"The mayor used the charity gala as a chance to hobnob with donors and corporate bigwigs."