Extremely hammered. One who is shit hammered cannot function in any capacity and will usually be found on the floor next to a bottle and a pool of vomit.

Be cautious around someone who has been hit with the shit hammer, as their behavior is wildly unpredictable.

getting really drunk

The state of being in a shit storm. When you are shit hammered you generally have commited a crime against nature, or have committed an illeagal act such as genocide, and you are being called on the carpet for it.