This wasn't actually a date, and it didn't involve me, but I think the story is still worth telling...
My little sister was in Vegas with a friend, hanging out in the casino. Some guy at least twice their age tries to pick up on them by (gasp!) offering to let them play the nickel slots out of his bucket of nickels. Humoring him (and bored, I suppose), they start shoving them in the slots four and five at a time, to which the guy says, "Now come on girls, these aren't pennies, you know!"