An erogenic stimulation device for men having a compact state for inconspicuous storage when not in use which expands to an approximate size and shape of a female pelvic region when filled with warm water, the cooperation of warm water with elastomeric interior and exterior elements provides a more natural sensation of warmth, pressure, and responsive motion for the user, the device including contours simulating the structural features of the pelvic region and buttocks and an anatomically correct depiction of female genitalia including vulva and vaginal opening.