When a man puts his penis against another man or shemale's will into their penis hole. After six and a half minutes, you pull out and slap their penis causing a volcano of blood.
When a girl (who is secretly a guy) starts scissoring another girl (who’s also secretly a guy,) and they both try to surprise penetrate at the same time but the cocks just end up bouncing off each other.
With an Erection, take a car battery and use jumper cables to attach the positive and negative ends to your big toes, then begin intercourse with your French ex-wife.