orifice

A mouth or aperture, such as of a tube, pipe, etc.; an opening.

• the orifice of an artery or vein; the orifice of a wound; he entered the cave's gaping orifice

One of the natural external openings of the human or animal body.

• the vagina and other orifices

A stupid or objectionable person.derogatoryslang

• “Peanuts aren't nuts, you orifice. They're legumes.”