Sperm-donor definition
(US, slang, derogatory) A man who is the father of a woman's child(ren), but no longer has a relationship (has a hostile relationship) with the woman, and is typically uninvolved with the children as well. (Compare with baby mama).
noun
A man who donates sperm, usually anonymously, to a sperm bank or fertility clinic.
noun
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Other Word Forms
Noun
Singular:
sperm-donor
Plural:
sperm-donors