Most often used in the derogatory to describe people that elect the suburban middle class lifestyle because they are so inept the only possible way they can contribute anything to society is to produce offspring. Typical cycle goes as follows: schooling -> job -> marriage -> children -> death. Their children also tend to grow up to become breeders and the cycle continues. True "breeders" can be compared to animals such as rabbits or cattle that do nothing but multiply by breeding. The term probably got its start in the GLBT community but has since gained outside popularity.

Ppl who turn up at your house with children and allow them to write all over your books, wall coverings etc. This happens because they are jealous of your child free lifestyle which allows you to go out mid week and take long romantic weekends away while they are stuck at home trying to find a child minder/doing maths homework etc.

a straight person. a heterosexual.

A heterosexual person. Formerly, this was an insult used by the gay community; it is now mostly used by straight people in a lighthearted vein to (mistakenly) show that they are down with gays and familiar with the culture.

A heterosexual. A carbon footprint enhancer. That group of humans most responsible for global warming, deforestation and a depletion of the ozone layer. A propagator.

a noun.

someone whose sole purpose is to have babies.

They define their existence solely based on how many kids they have and how big their family is.

see also "heterosexual"

1. A derogatory term for anyone who reproduces, ever. Generally used by antisocial virgin nerds whose own nurturing instincts are limited to Pokemon. Ironically, most such individuals still live with their parents.

2. A derogatory term for a heterosexual. Generally used by homosexuals.

3. A derogatory term for selfish, irresponsible, or self-absorbed parents. Generally used by anyone who has ever had to listen to a screaming small child that does not belong to them, or anyone who has ever seen octomom's insipid, collagen-filled face on a TV screen or magazine cover.