Wiktionary
punani
n. 1 (context slang English) The female genitalia. 2 Sexual intercourse with a woman.
Wikipedia
Punani
Punani is a term derived from "punany," which was first used in India. In the Kama Sutra the word is used refer to the female genitalia, and commonly used in north India. Indian workers in the Caribbean in the early 20th century passed their vernacular on to the locals (which include words like "Ganja").