BadTaco Share definition Flag An illegal immigrant who goes to a U.S. state prison for murder,manslaughter,or rape. I hate badtaco's more than the prices of beer(redneck sentence because they would be the first to rip on mexicans , trust me i know) BadTaco by Maximillian765239 December 5, 2010 0 0 Get merch Get the BadTaco mug. Buy Now — $32.95 See more merch