Bay Area is a common local colloquialism used to refer to populated areas situated around a bay.
The part of the common colloquialism that Mr. Bruno left out is: "Liars figure."
Delany makes notable use of common American colloquialisms.
He meant "city," as in the island of Manhattan, a common colloquialism for people who live in the distant reaches of the boroughs.
In this example, the expression is similar in intent to another common colloquialism: Put up or shut up.
This principal is expressed in our common colloquialism of "Keeping-up with the Jones'".
In the Midwest United States and Appalachia, "spar grass" is a common colloquialism.
Gotcha is a common colloquialism meaning to understand or comprehend.