The act of blowing a load or taking a load up the ass without a rubber

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

To Breed means to partake in the action of Breeding.
Breeding is the action of male and female animals having sex (or mating) to reproduce, and procreate.

Animals, including Humans breed with members of the opposite sex within their own species due to a desire for sexual pleasure, love, and the need to propagate the next generation.

Without Breeding no Human being would be alive. Thus Breeding is essential to the existence of Humans and animals (unless they are a part of the small minority of species that reproduce asexually).

Heterosexual sex is the only kind of sex that can be described as Breeding.

When a male sexual partner fucks you until he cums in your ass without a condom, usually its a male on male activity but some straight couples do it

a term for a type of sex where a female and/or male specifically choose each other for the possibility of future procreation, characterized by rough sex and total submissiveness.

To produce (offspring); to give birth to. If it wasn't for my mother breeding me, I would not be here. Of course, she can't take all the credit. My father helped out as well.

To inject semen into a woman's vagina. The anus does NOT count toward this - breeding must be just that - attempting to impregnate a woman by injecting semen into her vagina with a penis.