That looks like you're at the adult game, "The Quest" on a RCI ship last May. Ring any bells yet? Looks very mild to me. We were just on the Radiance and the men were down to their boxers doing this!
Teresa and Larry
#36-Carnival Splendor 9/16/12
7 night Mexican Riviera
#37-Allure of the Seas 11/11/12
7 night Eastern Caribbean