Kamasutra
मृद्यमानाश्चाभियोगान्मन्दं मन्दं प्रसिद्धन्ते द्रविड्यः ॥ ३१ ॥
Due to friction during possession, Dravidian women have slight losses of blood.
english translation
द्रविड़- द्रविड़ देश को स्विय आलिङ्गन आदि करते हो मन्द मन्द रज:साव करने लगती हैं ॥ ३९ ॥
hindi translation
mRdyamAnAzcAbhiyogAnmandaM mandaM prasiddhante draviDyaH ॥ 31 ॥
hk transliteration by Sanscript