Mashed Potato Sandwich Edit Meaning

1.

An adjectival description of something as messed up as a soup sandwich.

Drill Sargeant Bohannon looked the recruit in the eye and said, "Boy, you are as fucked up as a mashed potato sandwich and will not survive first contact with the enemy unless you get with the program."

2.

A euphemism for someone or something that is fucked up.

Leroy's ears burned with humiliation when he read his grade("D-")and the professor's comments("You are as fucked up as a mashed potato sandwich and will not graduate for this university!") on his essay entitled: NASCAR, a metaphor of hope for the 21st century.