Take the words right out of somebody’s mouth
Definition 1 of 1
Pro Tip 1/3Synchronous Thoughts
This phrase highlights a shared thought or opinion at the same moment with another person. 
When Jim mentioned a beach holiday, he took the words right out of my mouth!
Pro Tip 2/3Casual Expression
It's used in informal situations and is not appropriate for formal writing or speeches. 
During the meeting, she mentioned the budget issues, which took the words right out of my mouth.
Pro Tip 3/3Not Literal
Understand it's a figurative expression meaning no actual words were stolen. 
You just mentioned hiking this weekend—I was thinking the same. You took the words right out of my mouth!