Shiva Purana

siva.sh/siva-purana/uma-samhita/22/38

यंत्रेण पीडिता यद्वन्निस्सारा स्स्युस्तिलाः क्षणात् ।। तथा शरीरं निस्सारं योनियंत्रनिपीडनात् ।। ३८ ।।

sanskrit

Just as the gingelly seeds pressed in the oil machine become a worthless residue, so also the body becomes a waste being crushed by the muscular walls of the vaginal passage.

english translation

yaMtreNa pIDitA yadvannissArA ssyustilAH kSaNAt || tathA zarIraM nissAraM yoniyaMtranipIDanAt || 38 ||

hk transliteration by Sanscript