Yiddish: It's as suitable as earrings on a pig.

SOURCE: Bernstein, Jüdische Sprichwörter und Redensarten.
Variation: substitute a necklace (a haldzband | אַ האַלדזבאַנד) for earrings.

עס פּאַסט ווי אַ חזיר אוירינגלעך.

Es past vi a khazer oyringlekh.

It's as suitable as earrings on a pig.