flummerynoun [ U ]
/ˈflʌm.ər.i//ˈflʌm.ɚ.i/disapproving praise or other polite speech or behaviour that is not sincere and does not really mean anything:
These letters are full of the most ornate diplomatic flummery.
a sweet soft food popular in the past, made with milk or cream, sugar and other ingredients such as oats (= a type of grain), gelatine (= a substance used to make jelly), eggs, or fruit