The person is unimportant to me/I treat him with contempt
It appears that this expression originated sometime in the mid-twentieth century. It can be found in Harper Lee's To Kill A Mocking Bird (1960): "Mr Ewell seemed determined not to give the defense the time of day."
British Parliament asks Amazon to clarify why it pays $9 million in income tax on $23 billion of UK sales.(May 20 2013) Amazon will be called back to give further evidence to members of the British Parliament "to clarify how its activities in the U.K. justify its low corporate...