There is nothing meh about the journey of the latest entry in the Collins English Dictionary. Rather, it illustrates how e-mail and the internet are creating language.

“Meh” started out in the US and Canada as an interjection signifying mediocrity or indifference and has evolved, via the internet and an episode of The Simpsons, into a common adjective meaning boring, apathetic or unimpressive in British English.
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"..People are increasingly writing in a register somewhere in between spoken and written English.”