A female used for reproduction. Opposite of sperm donor. A sperm donors sole purpose to procreate. Mother and child typically abandoned by sperm donors, however due to motherly instincts, the child is taken care of and grows up still able to continue the sperm donors genes.

A person with an outwardly dominant, masculine, or aggressive personality, but who also enthusiastically takes on the submissive or "bottom" role in the bedroom.