Chiz basically means shit or crap.

Mercury retrograde is the act of taking a shit whilst mooning one or more human beings. Your day can typically being going well, according to your horoscope, until you are forced into witnessing Mercury retrograde. Performing Mercury retrograde will often speed the astrological cycle forward for the individual performing the Mercury retrograde, bringing about happy and fruitful times to come.

Substitute for S**t. Popularized by Sam on teen show iCarly

a slang expression, possibly a German sausage

this word can be used in place of any "bad" word (ex; sh*t, f**k, a$$, douche, etc.) it can also just be thrown in randomly to any sentence, whether needed or not. It is the new universal bad word.

An outrage or swindle. Officially ‘a chiz is a swiz or a swindle as any fule kno’ (from the Molesworth series of books about school life by Geoffrey Willans). As a result of this the phrase "as any fule kno" has entered use on its own, especially in the letters pages of the British satirical/investigative magazine "Private Eye".

Old British public school term for a swiz or swindle