Silver goose American noun phrase
A hollow and tube-like magnifying glass that is used to visualize the rectum.
The patient seemed terrified.when he saw the doctor brought out the silver goose.
A: "If I were a patient, that silver goose would scare the shit out of me." B: "Yeah, you bet."
None
A problem or difficult circumstance
I'm short-sighted, so forgetting my glasses is a real hair in the butter for my sight.