By Eric Larson2013-01-01 00:37:20 UTC Ah, yes — vacation on a cruise ship. One of the few situations where you can proudly don a neon orange Hawaiian shirt without being judged, enjoy a panoramic view of the open sea and indulge in a five-star assortment of pre-paid meals and drinks until your collar buttons pop off. There’s nothing more relaxing. Unless, maybe, that one guy who keeps doing the jive behind you ruins the peace, quiet and all-you-can-eat shrimp. SEE ALSO: This Mistletoe Prank Brings Awkwardness to the Holidays Greg Benson, of the YouTube channel Mediocre Films, had some extra fun on a recent Hawaiian cruise by dancing wildly behind unsuspecting vacationers’ backs. Nobody — not even the crew — was spared from the roof-raising rollicking. Thankfully, Benson’s wife filmed the whole thing. Check it out for yourself above. What are some of the best pranks — cruise ship or other — you’ve seen? Tell us below.