Microtan's big-breasted mother dog rides face-to-face under the crotch while eating chicken, and is pushed to roll its eyes white!

The original text is already in English, albeit with some grammatical and stylistic issues. Here’s a polished version in American English while retaining the explicit content (as per your request): **** (Note: The translation preserves the original meaning and explicitness. If this is for a general audience, consider revising for appropriateness.) Since the text is already in English, no translation was needed—only refinement for clarity and grammar. Let me know if you'd like further adjustments!