.does "buck against" mean "refuse to buck his seat belt？" 【Aboard the backup plane Henry Gonzalez opened a copy of the Dallas News to page 14. "Welcome, Mr. Kennedy,'" he read aloud. His round face brightened. "Say, somebody must've got the word! Dallas is joining the union!" He read a few lines and gave a little leap, bucking against his seat belt. Beside him Congressman Mighty John Young of Corpus Christi said dryly, "That's right, Henry. Read it. Read all of it." Tiger Teague, on the other hand, was enjoying a false dawn. Teague had been the chief Cassandra of the Congressional delegation, but outside Carswell's operations office Connally had told him that they were going to go to the Trade Mart directly upon arrival. Misunderstanding, Teague thought that meant no motorcade, no exposure to cranks, and he had written off most of his anxieties.】 1.does "buck against" mean "refuse to buck his seat belt？" 2.in "Mighty John Young of Corpus Christi"what does "Mighty" mean?