A response to the question, "what do you mean," when unsure of the answer to the original question "what do u mean" answering the question with the answer.

Rhetorical Question used as an exasperation, emphasising the lack of justifiable reasons for non-participation, e.g. in an activity, but most often in reference to intimate relationships. The phrase is often used to question the motives behind such non-participation, and usually the speaker of the phrase is in disagreement with the recipient. In such cases the speaker is often disputing the rationale behind the receipients actions.

In some small obscure countries, the word "sur" is added onto the end of the phrase. The phrase was first coined around 2009 after a conversation between two gentlemen regarding the sexual attractiveness of a woman. The original phrase, discussing the size of said woman's breasts was "What do you needi know sur?! They're humungous baps sur!". The phrase was captured by another gentlemen, who established the phrase in popular culture.

Many variations of the phrase exist and appropriate answers, for example, have been developed. The rarely used acronym, W-DUNK (pronunced - waa-dunk) became obsolete in late-2009.

Do you know what I am saying?

What do you know?

Like in a surprised sense out of the blue unexpectedly

A word to ask people what they know about it.

meaning "what is your reasoning?"

It is a slang phrase that is often used with a little intentional arrogance.

In such cases, the phrase implies that whatever was just said is ludicrous. Thus, the phrase can be quite sarcastic.

This nature of the phrase was a prominent lyric in the song "Cameras" by Drake.

Similar phrases could be:

1) Hell you talkin' bout? (What the hell are you talking about?)

2) Wtf? (What the fuck?)

3) Excuse me?

HOWEVER, the phrase can also be a playful way to genuinely ask "What do you mean?" or state "I don't get it."

What a member of a group would say to suggest that some behavior is the group style, or that it's the way they usually do things. Usually said with anything from excitement to modesty, it is the response for anything from a compliment to disgust to total disbelief.