you-know-what

youˈ-know-whatˈ, youˈ-know-whoˈ noun

Some unspecified but well-understood or well-known thing or person

• • •

Main Entry: ↑you

* * *

noun [noncount]

informal

1

— used in speech to refer to something that is not named but is known to both the hearer and speaker

I've hidden the you-know-what in the closet.

2

— used in place of a rude or offensive word in order to express anger or annoyance

He's a complete you-know-what.

That's a big pile of you-know-what.