Because they are DAM!!! They are like the people who order something disgusting to eat or drink, take a taste, and then say this is awful!! Here, taste this!!!
No, beer and poop is not the same. But...you do refer to someone who is drunk as sh1tfaced...
Im still standin better than I ever did looking like a true survivor feeling like a little kid Im still standin after all this time and Im picking up the pieces of my life without you on my mind..