eBay’s levers have been cranked and its cogs have turned, and it finally has an official, damning response to GameStop CEO Ryan Cohen’s nonsensical bid to take over the company . It’s a big ol’ “Nope” in bold, underlined three times. CNBC reports that eBay’s board wrote to Ryan Cohen on Tuesday, May 12, to make clear its categorical rejection of the silly man’s ridiculous attempt to buy a company five times larger than his own with borrowed money and bad math. A letter signed by eBay’s chairman of the board of directors, Paul S. Pressler, calls his offer “neither credible nor attractive.” Last week, Cohen declared his intention to buy the colossal ecommerce site for $56 billion, and then was immediately left looking like a fool when asked where his $11bn company would get all the money. Despite a claimed $20 billion investor letter, his spurious figures still left the failing retail chain $14 billion short of his offer, making the whole performance look deeply unserious.…