For those looking for a quick-and-dirty workout that delivers a punch without too many flourishes none can be quicker or dirtier than Dirty 30. Basically six exercises with 30 reps each. That's it. You do one set, rest, repeat. The results however will be pretty impressive. You shall find yourself working a lot of the major muscle groups. This is a Level IV in difficulty workout, so you have been warned.
Extra Credit: 30 seconds rest between sets.