Scuba diver finds a treasure chest

Scuba-diver gets lost in blank world, with only one chest, of which he cannot open. The key is in his urethra.

Scene from saw. The guys chained up underwater and there's a picture showing that the key is in is nose. He also has a snorkel (won't help)

key under the water

Memory is the key!

A furby with mammary gland problems carries a giant golden F over his head

a sea anemone with four pink eyes and a long yellow horn in the shape of an F

There's nothing quite like receiving a parasitic cake for your Fth birthday

A guy in a birthday with an F on it throws up all over his birthday cake, still not blowing out the candles