you know what 

The expression ‘you know what’ is when one may say to another to get their attention, in a conversation. One may say this expression several times throughout one conversation to ensure they still have the attention of those participating in the conversation.

‘you know what’ also is when your stating to someone about something there not aware of , or when someone constantly pays them out they use the expression.

Example
Your outfit looks like your going clubbing not to work!
‘you know what’ no one likes you!

you know what by NATASHACAR January 15, 2011

You know what?!

Frustrated response to something said. Passionate as well.

You know what?!!!! That ain't even right what you just said!

You know what?! by GloJaz July 8, 2015

you know what else is big 

big dick
a dick that is big
daddy

"you have a big nose"
"yea i do... you know what else is big?"
*looks down*

you know what else is big by chaeyoungtiddienail November 15, 2020

you know what you doing 

taken from the zero wing dialect (see all your base are belong to us). stands for you know what you are doing, or we're counting on you. Usually achieved by launching all zig for great justice, when we have no chance to survive and are making our time.

"I know what im doing!"
"you know what you doing! launch all zig, for great justice!"

you know what you doing by baklava March 14, 2004

you know what fuck you 

the best way to end a conversation about a conflict or something stupid.

guy1: A tomato is a fruit not a vegetable.
guy2: No its a vegetable!
guy1: No, it's a fruit. see it says that a tomato is in the fruit family in Websters Dictionary!
guy2: You know what fuck you!

you know what fuck you by man with the flow February 9, 2006

You know what they say about guys with big feet

Typically a guy with big feet directly relates to how long their penis is.

Person 1: I have big feet.
Person 2: You know what they say about guys with big feet.
Person 1: Yeah yeah, i have a large penis.

You know what they say about guys with big feet by cassdogga December 29, 2011

You know what time it is.

Prison slang meaning you shouldn't need any explanation about the results of what you did. Whatever you did or do, it's going to get you beat the fuck up.

You stole from everyone, you snitch to the cops. Punk bitch, you know what time it is.

If you ever cross me, you know what time it is.

If you disrespect my mom, you know what time it is.
If you don't pay your taxes, you know what time it is.

You know what time it is. by Drpenispopper February 18, 2019