Definition - What does Breeder mean?
A breeder refers simply to a heterosexual individual. It is a slang term used most often by individuals of the homosexual community. It is often viewed as a derogatory term.
Kinkly explains Breeder
The term breeder(s) is a slang term used by individuals in the homosexual community to describe a heterosexual individual or couple. The term refers to the fact that heterosexuals and heterosexual couples are more likely to produce offspring, and can do so in a natural manner. The term, generally, is used in a derogatory manner. It should be avoided.