When you go on a date with someone but fail to make it all the way to home base with them, say only second base, and then go home and reach home base by yourself.
guy 1- "How'd your date with Cindy go? Did she put out?"
guy 2- "No, we only got to second base but when I got home I got an R.B.I. by making it to home base by myself."
guy 1- "Aww dude, that's wrong!"
guy 2- "I know..."