Put words into somebody’s mouth
Definition 1 of 2
Pro Tip 1/3False Attribution
Used when someone incorrectly attributes a statement or opinion to someone else. 
Hey, I never mentioned quitting the job—don't put words into my mouth!
Pro Tip 2/3Indirect Accusation
Often used to confront someone who's twisting your words into something you didn't mean. 
You're suggesting I lied, which I didn't. Stop putting words into my mouth!
Pro Tip 3/3Defensive Clarification
Apply this phrase to defend against misinterpreted statements. 
That's not what I said at all—don't put words into my mouth.