the moist, slick fluid in the vaginal area that acts as lubrication for intercourse.
After sucking face with this wettie
for about 10 minutes, i could feel the poon butter soaking through her cotton panties.
Term used to describe an attractive female that implies there is likely some moisture in her panties, thus making her all the more attractive.
Check out that wettie over there by the jukebox. I bet she shags like a champ.