Wiktionary
n. (context idiomatic English) A group of two or more people, in a workplace or other social environment, who routinely express considerable esteem and support for one another, sometimes to the point of exaggeration or pretense.
Wikipedia
Mutual Admiration Society is a musical collaboration between singer/songwriter Glen Phillips and progressive bluegrass trio Nickel Creek.
Mutual Admiration Society is an album featuring the collaboration between Nickel Creek's Chris Thile, Sara Watkins, and Sean Watkins, and Glen Phillips, the former lead singer of folk-rock group Toad the Wet Sprocket. It was recorded in three days in December 2000, but took 3½ years to be released.
"Mutual Admiration Society" can refer to:
Usage examples of "mutual admiration society".
Cozzano's vice-presidential candidate, even if she and Mary Catherine did have a mutual admiration society.
If she and Aunt Martha met, they would form an instant mutual admiration society.
Then would come criticism: sometimes praise, sometimes censure, for it was no mutual admiration society.
McAndrew and Sven Wicklund in a mutual admiration society, and all the talk of physics.
Now, I think we should cut to the chase and stop treating this like a mutual admiration society.
I can see that you two won't be forming a mutual admiration society anytime soon.