That's what they all say.
"That's what they all say".. Does it imply that's kind of "cliche", is it that the talker wanna hear something individual / special / different.. and Does it disappoint the talker somehow ?

Question

That's what they all say. 
"That's what they all say".. Does it imply that's kind of "cliche", is it that the talker wanna hear something individual / special / different.. and Does it disappoint the talker somehow ?

Answer

This phrase is usually only used sarcastically. It was first seen in when a person accused another person of something.

John said to Jane, "You murdered the farmer!"
Jane responds, "No! No! I'm innocent!"
John says, "That's what they all say."

This basically means John does not believe Jane. Every murderer claims he or she is innocent.

Answer

Grammar note: please stop using "wanna" in written English. "...the talker wanna hear..." is completely wrong, even in slang form. :)

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