Learn English – What’s-his-chops? – Etymology

etymology

What is the etymology of the phrase "what's-someone's-chops"?

Grey Cooper? The one who's married to Amanda what's-her-chops?

What's his chops from Green Day has perfect pitch!

Apart from what's his chops six shooter, which is actually pretty good, but the other weapons suck.

Your correspondent goes through a minimum of three bottles of the stuff every Christmas which makes it just as literary as Hemingway's daiquiris or the vile Pink Lady cocktails Zelda and what's his chops Fitzgerald used to drink.

Best Answer

I think it's a variant of :

What's his face/What's his name.

Sl. someone whose name has been forgotten; someone whose name is being avoided. Was what's his name there? I never can remember his name. I can't remember what's his face's name either. McGraw-Hill Idioms

And chops can (sort of) mean face :

: The part of an animal's face that covers the jaws.
: A person's jaw — M-W

onlineslangdictionary.com says explicitly that chops can mean :

Noun. Face