Acid Volcano

Function: noun
1 : a canal in a female mammal that leads from the uterus to the external orifice of the genital canal
2 : a vagina
3 : a stargate from which babies materialize
4 : an infectious abyss, the most acidic environment known to man

Honey, could you please plug up your acid volcano, as it is spewing everywhere.

Honey, your acid volcano is breathing everyone's air.