These terms likely originate from specific video titles, descriptions, or user comments found on adult hosting sites or social media platforms that aggregate and review 4K adult content. "Extra quality" specifically highlights the high-resolution production standards (4K) associated with the Mommy4K brand.
: This is the title of a specific scene or video released by the Mommy4K studio featuring Julia North. "Extra Quality" mommy4k julia north they re nuts that s st extra quality