As annoying as that phrase is, a co-worker had a canned response to anyone who used it:
Moron: “You know what?”
Co-Worker: “Chickens Butt!”
His response was even more annoying.
My personal pet peeve? People who say, “I could care less”
My response is usually “You could?” which they usually miss.
Mark
I’m with you. Somwetimes, when I’m feisty, I get the person who could care less to diagram that sentence, then reword the diagram for me. Gets ‘em every time.