Fried oyster skins are a food item mentioned in the episode "Squidville."
They are known to cause bad breath.
Role in episode
Patrick breathes into the speaker at the Tentacle Acres gate and the foul stench caused by the fried oyster skins knocks out the two guards, which allows SpongeBob and Patrick to have access into Tentacle Acres.
- This food item could be a parody of fried onion skins, since they are also known to cause bad breath.