Huge ick? After a clip of Elon Musk jumping up and down while onstage at Donald Trump’s Butler, Pa., rally — the billionaire was ridiculed for his bizarre behavior. “This might be the cringiest s— I’ve ever seen in politics,” one person said of the footage, where the SpaceX founder his arms up and hopped across the stage as the former president stood at the podium. “There’s something seriously wrong with both of them,” a second individual stated of the 53-year-old father-of-12 and the 78-year-old Republican politician. A third user noted, “A little manic for a grown adult. He’s treating it l…