Background Pony #CCCB
"[@Fwelin":](/images/2251527#comment_8754776
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The object of the verb "breed" is either the type of animal you keep a multiple of for reproduction purposes (i.e. "breeding ponies") or, for the animals themselves, the offspring they produce (i.e. "breeding a foal"). Since Fluttershy is singular and was already conceived and born, I'm inclined to believe Rainbow meant "breed_*with_* Fluttershy".
The object of the verb "breed" is either the type of animal you keep a multiple of for reproduction purposes (i.e. "breeding ponies") or, for the animals themselves, the offspring they produce (i.e. "breeding a foal"). Since Fluttershy is singular and was already conceived and born, I'm inclined to believe Rainbow meant "breed