Wiktionary
n. (context idiomatic English) An event where people can meet (especially, with famous people)
Usage examples of "meet and greet".
Al, I'll leave it up to you to file the flight plans and of course you and Charley will be out there bright and early to meet and greet our arriving guests and their luggage.
Rembrandt van Haas always liked to meet and greet new people when they arrived, if, of course, he regarded them as his social peers.
Full team meeting at seven, followed by an hour and a half outside the dining hall to meet and greet voters as they went in and out of breakfast.
Forget that we were supposed to save something to go outside to meet and greet.
The only Frenchwoman of high enough birth willing to meet and greet Lady Anne was of such light virtue that Henry had to refuse.