you know something?

Idioms  

1. Also, you know what? Listen to what I'm going to tell you, as in You know something? He's always hated spicy food, or You know what? They're not getting married after all. Both these colloquial expressions are shortenings (Of Do you know something? or Do you know what?) and are used to emphasize the following statement or to introduce a surprising fact or comment. The first dates from the mid-1900s. The variant, from the late 1800s, should not be confused with what do you know or you know.

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Example Sentences

See Examples For:

you know something?

“If you have a house, you know something is always going to come up,” Rosenthal said.

From MarketWatch ● Oct. 1, 2026

So now the talk has shifted to what happens if Michaels’ run is interrupted because, you know, something happens to him?

From Los Angeles Times ● Sep. 24, 2026

Politically, when someone on your own side is comparing you to dog mess, you know something has gone wrong - especially when they're doing it to try and be supportive.

From BBC ● Dec. 3, 2025

“Before we start the show, I want to let you know something that I found out just last night,” intoned the veteran comedian.

From Slate ● Jul. 18, 2025

Tai says that’s true, but that tests ain’t the only way to prove you know something.

From "The Skin I'm In" by Sharon G. Flake