My office has a small kitchen where we sell assorted snacks, sodas etc. People from other offices regularly purchase items from our kitchen.
There's a knock at the door to my suite and when I open the door a female Master Sergeant (not too hard on the eyes for her age) is standing there holding up a dollar.
She says (in a sultry voice, I might add), "I'm here for a DP."
"Okay," I replied, "but I think the other guy will want a dollar too."
Suddenly I got a Lieutenant Colonel all over me.