Kraken drive

A means of propulsion in Kerbal Space Program that harnesses the power of the Space Kraken to propel the player's ship forwards in a manner that defies the laws of physics. Examples include the heat shield propeller, the ladder drive, and the docking port drive.

A: No matter how hard i tried, i just couldn't fit the delta-v AND the thrust into the same rocket.
B: Well then, Kraken drive it is!