J-Feighner
The ultimate form of fake laziness. A person who looks like they're giving up, but they're actually working twice as hard to trip you up.
He said he was giving up on the math test, but he had a calculator under his desk the whole time.
She acted like she didn’t know the answer, but she had the textbook open in front of her.
He said he was too tired to run the race, but he was just hiding behind a tree and sprinted past everyone.