Scheisse (the English spelling) is also used as a prefix to describe something that is either unpleasant, disagreeable, or otherwise in some way considered to be bad or wrong.
Fuck! I'm lost!
Scheiße! Ich bin in die Tur meine Finger zuknallten!
Fuck, I slammed my finger in the door!
Ich finde Rauchen total Scheiss.
I think smoking is utterly dumb
Scheiser, Ich vergesse, das ich muss Scheisse sagen!
Scheiser, I forgot I am supposed to say Scheisse!