What is Cooty?
1.
a disease that only girls have! boys cannot get it because of their awesomeness!
ew that girl has a cooty!
See
2.
Another synonym for private parts, be it male or female. Cooty is used primarily in an effort to be cute or subtle in the reference to the area, without being excessively dirty.
This popsicle tingles, right down to the cooty.