A military phrase to describe an individual who has shown themself to be very moronic and stupid in one way or another, thus comparing them to the cleansing product for dirty vaginas and being a general tool or one who lacks the mental capacity to know he is being used. A asshole fool or cretin. Having low intelligence and or self esteem. Someone who has no purpose in life but to starve the world of oxygen and be a burden on others. A mallet being a tool for somebody that cannot be trusted to do anything but make little rocks from big rocks.
Kanye West is tweeting stupid shit and making himself look like a fucking Douche Mallet.

The CSM is making us cut grass this weekend instead of giving us pass....what a fucking douche mallet!

that butter bar Lieutenant is going to march us straight into a swamp....fucking douche mallet.
by SGT Bo June 22, 2014
Get the douche mallet mug.