where someone is coming from Definition

where
adverb

1. Used in questions, indirect questions and statements: in, at or to which place; in what direction.

Example: Where is she going?
Example: I don't know where this road takes us
2. Used in questions, indirect questions and statements: in what respect.

Example: showed me where I'd gone wrong
3. Used in questions, indirect questions and statements: from what source

Example: Where did you get information like that?

pronoun

1. What place?

Example: Where have you come from?

conj

1. In, at or to the, or any, place that.

Example: went where he pleased
2. In any case in which.

Example: keep families together where possible
3. The aspect or respect in which.

Example: That's where you are wrong
4. And there.

Example: stopped at Hull, where we picked up Jane

Idiom: tell someone where to get off

colloq
To tell them that their behaviour is unwelcome or unacceptable and will not be tolerated.

Idiom: where does he get off! (where does she etc get off!)

colloq
Who does he or she, etc think they are!

Idiom: where it's at

slang
The scene of what is considered to be the most important, exciting or trendy place, etc.

Idiom: where someone is coming from (where someone is)

dated slang
What they are saying or getting at; what their view or opinion is.

Etymology: Anglo-Saxon hwær.