SB 3.6.19

TEXT 19
 
TEXT
मेढ्रं तस्य विनिर्भिन्नं स्वधिष्ण्यं क ।
उपाविशत्रेतसांशेन येनासाव् आनन्दं प्रतिपद्यते ॥ १९ ॥
medhram tasya vinirbhinnam
sva-dhisnyam ka
upavisat retasamsena yenasav
anandam pratipadyate
medhram-genitals; tasya-of the gigantic form; vinirbhinnam-being separated; sva-dhisnyam-own position; kah-Brahma, the original living creature; upavisat-entered; retasa amsena-with the part of the semina; yena-by which; asau-the living entity; anandam-sex pleasure; pratipadyate-experiences.
TRANSLATION
When the genitals of the gigantic form separately became manifest, then Prajapati, the original living creature, entered into them with his partial semina, and thus the living entities can enjoy sex pleasure.