What you might say in awe, disgust, or general surprise to someone claiming to have just done something stupid/not done something important. Usually shouted, often with emphasis on the "what".
"Sorry mate, there's rubbish all over the garden, it's because I forgot to tie up the bin bags"
"You fucking WHAT?"
by crobzub May 22, 2009
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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!
by man with the flow February 08, 2006
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The best way to end an arguement. You can also follow up with a "SUCK MY MOTHERFUCKING DICK."
Man: I honestly don't care if your child is gonna die.
Man2: You know what? FUCK YOU!
by OMG LOLZ!!!!1111+shift!!!! March 20, 2005
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