Pick of the litter and Upper crust

Upper crust and pick of the litter are semantically related. In some cases you can use "Upper crust" instead a noun phrase "Pick of the litter".

Upper crust noun - Individuals carefully selected as being the best of a class.

Pick of the litter and upper crust are semantically related. Sometimes you can use "Pick of the litter" instead a noun phrase "Upper crust".