What is the meaning of Fanny?

The female genitalia.

The buttocks; arguably the most nearly polite of several euphemisms.

Sexual intercourse with a woman.

Women, regarded as sex objects.

Spedding, Patrick and Lambert, James (2011) ‘Fanny Hill, Lord Fanny and the Myth of Metonymy.’ Studies in Philology, 108(1):108-132.

Mess kettle or cooking pot.

Source: wiktionary.org