Dave Smith wrote:


It is more of a Cajun idiomatic phrase "Laissez les bons temps rouler"


thanks to you and to the others who came up with similar expressions.
Sounds good to me. She lives in Phoenix (Fountain Hills), AZ, and has
been to New Orleans, I believe, so maybe she picked up the idea there.
If it was originally a Cajun expression, it's certainly been warmly
welcomed into American English.

-- Ron