"malicious smear" is grammatically correct and can be used in written English.
Example sentence: The politician refuted the allegations of a malicious smear campaign against her.
"It was a malicious smear.
The judge must reject the constitutional claim, however meritorious, or face a malicious smear.
To suggest that the director is intercepting mail is to make a malicious smear on the professionalism of one of the finest library directors in the country.
Ms. Nuland cited accusations in the state media as part "of the kind of malicious smear campaign that we think the regime is conducting here".
The only way your office or train carriage, say, would be wiped out is if some inexplicably malicious dickheads smeared infected saliva all over the seats and surfaces – and even then the chances of infection would be fairly slim.
Ms Furse regularly refuses requests for interviews, particularly after claiming she was subjected to a smear campaign two years ago following "malicious gossip" about her personal life.
That the "Kenyan birth certificate" was discredited in such swift fashion indicates not just mere laziness but malicious intent on WND's part to smear Obama by publishing something it should have known was false.
"We are confident that people will see this for what it is: a malicious and illegal invasion of athlete privacy followed by a baseless smear campaign".
By painting both Twitter and YouTube (and no doubt Facebook next week) as online dens of iniquity, he aims to convince his supporters that the allegations are malicious falsehoods, and that he is the victim of an international smear campaign operating on social media.
I believe that I have been targeted as a whistleblower and that repeated malicious investigations have been launched, involving illegal and deliberate phone-hacking, as part of an orchestrated smear campaign to discredit me".
And being human means that they mess up from time to time - they pick the wrong dress or the wrong bra or smear their makeup, and it also means that it hurts them when we say malicious things about them just as much as it would hurt you.
