Definition & Meaning of "growler"in English

What is the origin of the term "growler" and how is it used?

"Growler" is a slang term for the vagina that appeared in English in the mid-20th century. The origin is based on a metaphor comparing the genitalia to something that "growls," likely highlighting sound or activity associated with sex in a crude way. It has been used mainly in informal male speech, jokes, or sexualized contexts. The term is vulgar and derogatory, not neutral, and is rarely used outside of coarse humor or subcultural slang.