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baby daddy
noun
Definition of baby daddy
slang
: the biological father of a woman's child; especially : one who is not married to or in a long-term, intimate relationship with the child's mother Near the end, a very pregnant Sara watches as her baby daddy cozies up to a new girlfriend. — Jessica Heslam, Boston Herald, 16 Jan. 2010
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First Known Use of baby daddy
1993
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