withdrawn penis
The genital slit version of fully sheathed, since the slit is technically not a sheath. Withdrawn Penis is related to genital slits and may often appear to be vaginas if they are not aroused. Also NOT cuntboys and not neccesarily pre-op transmen, or post-op transwomen. May require pre-existing knowledge of a character to list correctly. Be careful when tagging!
Genital sheath typically overlaps with Scalies such as:
It is by no means restricted to reptiles and can implicate mammals in some instances.