SOURCE: Kogos, A Dictionary of Slang & Idioms. The following may be added:
... and feet in the air. | ... un di fis farkert. | .און די פֿיס פֿאַרקערט ...
SOURCE: Kumove, Words Like Arrows.
װאַקסן זאָלסטו װי אַ ציבעלע מיטן קאָפּ אין דר'ערד!
Vaksn zolstu vi a tsibele mitn kop in dr'erd!
May you grow like an onion with your head in the ground.