A useful substitute for the word "shit". This G-Rated slang is to be used in public settings, such as school when your teacher wouldn't approve of you saying "shit".
Principal "Maria, you have a detention because your skirt is too short"
same as shit, only slangified
good to use in company emails that scan for profanity; can also be used with prefix bull-
Man, my boss is on that shiste today!
That reprimand was some bullshiste.