My best is called Bronchos; You basically get a girl on doggy style then once in and she is almost about to have an orgasm you start calling and screaming out her best friends name.
She will start behaving like cat whose tail has been pinched.You endurance is measured by how long you stay inside her.
Very good exercises for legs,triceps,biceps,chest,hips,dick and butt muscles
If Obiero did it, Who Am I?