The act of being completely oblivious to the verbal and non-verbal cues of others.
Michael: Blah, blah, blah, blah...

Peter: Uh, yes, thank you Michael, uh yep, yep, yep...

Michael: Blah, blah, blah, blah...

(Later)

Darren: Did you see Michael just go on and on and on... he didn't notice Peter was bored stupid with his ramblings.

Kathryn: Yes, he was totally cueless!
by The Noam Gnome August 25, 2011

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