~
You are correct on both counts as to how the expressions are supposed to be said, and on their meanings. Now which one of us gets to tell Joe Biden? Apparently, the concept escapes him. LOL.
MIXED METAPHORS
“President-elect Joe Biden mixed up his metaphors when he fired back at Fox News reporter Peter Doocy at the end of his Tuesday afternoon press conference. Doocy, who has continuously lobbed questions at Biden over the investigation into his son Hunter, asked the incoming president if he still felt that reports revolving around his son’s laptop and emails were a Russian disinformation smear campaign.
”Yes, yes, yes! God love you, man! You are a one-horse pony,” Biden exclaimed as he walked off stage.
___
I see what you did there, Professor. Well played, very well played indeed.