Sex where the person with a penis penetrates their partner balls deep— all the way to the base (sometimes called "hilting"), with the entire member inside the vagina or anus and only the testicles visible. Cross-section or x-ray shots often show the penis resting against the cervix, if not outright cervical penetration.

See also

• cervical penetration
• cum in pussy
• internal cumshot
• stomach bulge
• deepthroat

The following tags are aliased to this tag: balls_deep (learn more).

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