literally means "of the day" in French. Usually used in restaurants to make their daily special sounds sophisticated.

Any type of death that is widely popular such as widespread death due to opiate overdose or mass tragedies or any dramatic violent death since the news will cover it because it brings in a wider audience which translates into higher advertising revenues.

It's the soup of the day.

It's the poop of the day.

A phrase derived partly from the French (du Jour - 'of the day') used to describe the largest breasts (Rack) seen on a girl seen that day, or sometimes within an arbitrary time frame such as on an evening out. Thought to have originated in the early 1920s in the French Quarter of New Orleans.

Is the current or popular action or belief of an individual or group that is self-delusional or in denial.
An individual's personal ideation of an incorrect concept for today.
Something you are fooling yourself about right now.
An incorrect belief that is on the menu for today.

Pseudo-French for "slut of the day"- the person, of the many indistinguishable options, with whom one is currently romantically engaged.