As per astrology, what does it indicate the point Yoni in your ... - Quora Yoni in birth horoscope is indicative of the strength of sex drive and the size of genitalia. It's a parameter used to assess sexual compatibility between prospective bride and bridegroom in marital horoscope matching. Simha Yoni is an exclusive sexual characteristic of those born under 'Dhanishta' or 'Poorvabhadrapada' nakshatra.