meaning "what do you mean?"

it is a shortened version on "what are you going on about?" or "what are you talking about?"

usually used when someone is not making sense for extended periods of time or if you feel like you've missed something.

can be lengthened to show complete and utter confusion.
example 1.

knobhead: dude. i totally just pwned that n00b. i asdfghjkl; the ask;nfw. fo shizzle my nizzle dizzle.

awesome: what you on about?

example 2.

knobhead: so, tomorrow, then?

awesome person: what?

knobhead: we can go and you can meet them, yeah?

awesome person: what you on about?

example 3.
Gavino Free(roosterteeth): what you on about?
by sammy sam November 18, 2013
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or what you know about dat

a question that doesn't need to be answered

referring to the fact that you don't know as much about a subject as i do
grandson- damn granddad look at her....

granddad- son "what you know about that" ?

granddad- back in my day "i knew all about that"
by ArisPie February 13, 2010
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A phrase vaguely assuming that someone doesn't know something unlike you. Usually used by anyone who can't stand the fact that somebody young or old may know more than what you do.
Example 1/ Girl: Hey auntie I saw West Side Story some days back and I just love it. Especially that ending.

Auntie: What you know about that? That's my movie stop playing yourself. I saw it in theaters.

Girl: But you told me that you've only seen half of the movie in theaters when it came out because you fell asleep. You've never watched it again.????

Auntie: you'll understand when your 70.

Girl: lol....... yeah sure

Example 2/ Beehive fan: I love my hit jam Irreplaceable by the God Beyonce.

Beyonce: what you know about that??? I wrote the song. Bow down b******.

Ne-Yo: b**** please I wrote that song

Beehive fan: quiet Ne-Yo the Royal Queen is talking.
by handle is already in use May 27, 2019
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meaning "what do you mean?"

it is a shortened version on "what are you going on about?" or "what are you talking about?"

usually used when someone is not making sense for extended periods of time or if you feel like you've missed something.

can be lengthened to show complete and utter confusion.
eg.
what the fuck are you on about?
what, exactly, are you on about?
what the fuck are you on about, exactly?
what the fucking hell are you on about you fucking cock? how's about you learn to fucking speak english?
example 1.
knobhead: dude. i totally just pwned that n00b. i asdfghjkl; the ask;nfw. fo shizzle my nizzle dizzle.
awesome: what the fuck are you on about?

example 2.
knobhead: so, tomorrow, then?
awesome person: what?
knobhead: we can go and you can meet them, yeah?
awesome person: what are you on about?
by moniique. October 03, 2007
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Yorkshire slang. Another way if asking someone what they are talking about.
"What are you on about? Because I actually don't have a clue"
by sallycinnamon<3pussy April 16, 2019
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'What you know about rolling down in the Deep?' is a lyric from the hit hip-hop song 'Astronaut in the Deep' from Masked Wolf.

It is also used as a way of asking how your recent sexual intercourse went, for example:
by TriplePointThree July 18, 2021
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A phrase used to confuse and upset an annoying and lazy co worker.
Most effective if you can get several co workers to ask individual.
Guy 1. Yo what you know about green eggs and ham?
Guy 2. I don’t know what you’re talking about.

Guy 3. How da fuck don’t you know about green eggs and ham?
Guy 2. I don’t fucken watch the same things you do!!
by Captinrichdino August 27, 2020
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