shit plowed 

To be heavily intoxicated to the point of near blackout.
tanked,gone

This girl was so shit plowed last night that she couldn't tell I slipped her the index.

shit plowed by Rhinoplaster April 6, 2008

shitplowed 

the act of intentionally setting off on a course of drunkeness that some may never find.
A state of complete drunkeness.

Did you see that, Buck? He's completely shitplowed after chugging a fifth of jager and chasing it with two red bulls.

shitplowed by Nate M. February 1, 2006