{v. phr.} To say without proof that another person has certain feelings or opinions; claim a stand or an idea is another's without asking; speak for another without right. * /When he said "John here is in favor of the idea." I told him not to put words in my mouth./
PUT WORDS INTO ONE'S MOUTH
Meaning of PUT WORDS INTO ONE'S MOUTH in English
Dictionary of English idioms . Словарь английских идиом. 2012