Originally Posted by HighFlight

Bonuses are taxed at 25%, plus state. Depending on your personal tax situation, you can actually end up paying more taxes throughout the year if the bonus was taxed at the same rate as your regular pay.

It all comes out at the end of the tax year, either way. If you make a little, 25% now will seem like a lot of taxes. If you make a lot, 25% will seem like a little. But after you file, it all becomes the same.