so-and-so

[ soh-uh n-soh ]

/ ˈsoʊ ənˌsoʊ /

someone or something not definitely named: to gossip about so-and-so.

a bastard; son of a bitch (used as a euphemism): Tell the old so-and-so to mind his own business.

Origin of so-and-so

First recorded in 1590–1600

so much for, so much the, so that, so to speak, so what, so-and-so, so-called, so-so, so., soak, soak up

For instance, a sudden declaration before others that “so-and-so has died!”

Knocking on Heaven's Door: True Stories of Unexplained, Uncanny Experiences at the Hour of Death |Patricia Pearson |August 11, 2014 |DAILY BEAST
I just knew after a while, ‘OK, so-and-so is going to rip it apart.’

James Franco on Turning Down Sex With Lindsay Lohan, Hathahaters & More |Marlow Stern |March 26, 2013 |DAILY BEAST
If I lost millions, it's because so-and-so A swindled me, or so-and-so B down the supply line didn't do his part, and it hurt me.

How Robert Nozick Turned on Robert Nozick |Michael Tomasky |May 22, 2012 |DAILY BEAST
Every time we leave a screening there are more Blackberry alerts that such-and-such has sold to so-and-so.

The Details on 'The Details' |Nicole LaPorte |January 25, 2011 |DAILY BEAST

Perhaps the sick man will say (his voice supposed to be under control of nkinda), “I am So-and-so.”

Fetichism in West Africa |Robert Hamill Nassau
Not, of course, meaning any harm, they will inquire of someone else if what So-and-so hinted of So-and-so can possibly be true.

Vanishing Roads and Other Essays |Richard Le Gallienne
It is virtually no argument that: "So-and-so must be true, because you cannot prove that it is not."

The Art of Logical Thinking |William Walker Atkinson
For example, on many occasions I was asked by individuals why I had made presents to so-and-so and not to them.

The Manbos of Mindano |John M. Garvan
The practical man says, however, I know and feel so-and-so, and my wish is so-and-so.

Ontario Normal School Manuals: Science of Education |Ontario Ministry of Education

so-and-so

a person whose name is forgotten or ignored so-and-so came to see me

euphemistic a person or thing regarded as unpleasant or difficult which so-and-so broke my razor?