Yesterday Grub Street gave the lowdown on Cinco De Mayo fun sans the one-too-many-shots-of-tequila riffrafferati. But if you’re looking for a more raucous and loco way to celebrate, check out what Tommy Up has in store at P.Y.T. tonight. In addition to DJs, cheap beer and discounted tequila drinks, he is — literally — going buck wild with free mechanical bull rides.