not cool robert frost

An expression of mild exasperation or frustration - may be used as a substitute for a curse word at work or in front of children. (Inspired by the first Kid President pep talk).

Roomie #1: Where's the rest of the cake from last night? I was planning to have it for breakfast...

Roomie #2: I ate it after you went to bed...sorry.

Roomie #1: Not cool Robert Frost!