The opening line about someone mistaking "Moby Dick" for a disease got a chuckle out of me, but I honestly started to question if it would ever finish! “John” (Owen Wilson) and his friend “Jeremy” (Vince Vaughn) are two guys who’ve made a lucrative business out of disrupting other people's weddings – usually without knowing anyone there – and seeing what happens. Then things take an unexpected turn, landing them at t…