Taking one's penis freshly coated with vaginal juices and smacking it across the face of either the female whom the juices came from or another person, making a wet smacking sound.
After a round with Linda, I nailed Bob with a shmecka while he was sleeping on the couch.
Tucking one's penis and testicles underneath one's legs and showing what appears to be a vagina.
The transvestite had me fooled walking around with a carolina tuck.