What is the meaning of Mangina?

A sensitive, cowardly or effeminate man.

A man who holds feminist beliefs.

The genitalia of a man tucked between the legs, often as a prank.

The anus of a man, especially in the context of gay sex.

The vulva or vagina of a trans man, or the neovagina of a detransitioned man.

quiet, silent

Source: wiktionary.org