Hit it and quit it but more aggressive on the quit it part, as you fling them away. While the "ping it" represents another notch on your belt.
"Dude you met her at a bar, you don't have to commit. Just Ping it and Fling it."
relating to the dating site pingfling.com (optimized for mobile) the actual term is all one word "pingfling" but many try spelling it as two separate words "ping fling"
"We met on ping fling"