when something goes favorably (i.e. you get something for free, something good happens, someone does something for you, or you win in some way). if multiple events occur that are characteristic of a "swipe," then they can be called a double-swipe, triple swipe, multi-swipe, etc.
Guinevere: Hey, Eleanor! I just met these two guys who are super hot and are doctors.
Eleanor: Um, double swipe!