Genitalia, most often referring to the female genitalia, but can be used to describe a males as well. In the case of describing a male's genitals in this manner, it is usually being used to say he has a vag.
A form of tag played by girls. A person is "it" when someone punches them in the crotchal area (cooter). Amusing. Painful for males to partake in activity.
Ambellina Crow: *punches Shmer Bob in cooter*
Shmer Bob: aahh!!!
(5 minutes later)
*punches Ashleigh in cooter*
This is an example of cooter tag.