– In adult fan communities (Reddit, adult forums, etc.), users sometimes compare scenes by how intense or "deep" the action appears, hence "hitting deep xx better" could be a user’s shorthand comparing this scene favorably to another (e.g., "XX better" = way better).
: Nominations for several newcomer awards, highlighting her rapid rise in visibility. Professional Collaborations blackedraw 23 04 19 jennie rose hitting deep xx better