Poison (one) against (someone or something) phrase
To make someone think bad things about someone/something.
With a view to poisoning my friends against me, he invented a false story showing how untrusty I was.
The gossip that I cheated on my girlfriend has poisoned all girls in my class against me.
They keep avoiding me like the plague. Someone must have poisoned them against me.
The verb "poison" must be conjugated according to its tense.
The origin of this phrase is not clear.
Used to describe someone who is good at persuading people to do or believe something
Jane is a fast talker. She has sold many luxurious villas since she worked here.