The season finale of America’s Got Talent got bootylicious on September 13 thanks to a trio of mysterious blue men. The cast of the off-Broadway hit Blue Man Group performed “Shake Your Euphemism,” a homage to rear ends that includes dozens of hilarious nicknames, including “bounce house, second face, J. Lo's, squash tart,” and our personal favorite, “jiggle twins.” Click below to see the Blue Men dance their butts off, then see them live at the Astor Place Theatre.