The Giant Barbed Q is an object that was seen in the episode "Texas."
The Giant Barbed Q appears to be a giant piece of metal or stone that is in the shape of the letter "Q." It also has spikes on it.
Role in the episode
The Giant Barbed Q was part of the party that SpongeBob planned for Sandy thinking she was moving away to Texas. SpongeBob mistook the Giant Barbed Q for "barbecue" and Squidward was seen holding it in pain.