Things to do in horror films

Piranha

1) Ask someone to jump in with me and stop when I get to the end of the boat

2) Ask anyone if they want fish and chips when the boat is sinking

3) "Accidentally" drop someone's phone in the water

4) Put some fish flakes in the water and say, "They looked hungry"

5) Hang a sign at the concert saying, 'all you can eat buffet, free of charge'