“I really cannot negative a generous offer of fine vintage wine.”
“I'm sorry to inform you that the government will negative your request for clemency.”
“It was never my intention to negative your theory of evolution, but frankly, it would have been a bigger sin to let it slide.”
neg
(transitive, seduction community) To express or imply a negative value judgement of someone to make them desire one's approval, especially when trying to pick up a date.
(Internet) To leave negative feedback about in a reputation tracking system.