When a couple that are involved in the swinging lifestyle (wife swapping) have an opportunity to have a good time with another like minded couple or individual.
Near the end of a night of hard partying, Dave and Jenn saw a definite swaportunity after meeting Josh and Marissa.
That prank that you pulled on Mr. A last class where you pied him in his facein the middle of his lecture was a perfect snapportunity. So many kids posted it to their story!