Can you, yes. Good idea, not so much. There is a high chance of getting caught, therefore getting into trouble. Although, you wont be the first, nor be the last. They tend to frown on it, but you will not get kicked out for it. Its not like you can do it in the bed. You will be in a supply closet, electrical room, computer network closet, so on. However, be careful. One word of "sexual harassment" and you will be spending a large amount of time in the brig. Not to mention STD's and pregnancy.