Fun fact: the blending of idioms or cliches is called a malaphor.

You can take one man’s trash to another man’s treasure but you can’t make it drink

My personal favorite is “We’ll burn that bridge when we get to it.”

I’m rather fond of “It’s not rocket surgery” and “not the sharpest egg in the attic,” but my all-time favourite is, “…until the cows freeze over.”

You’ve opened this can of worms, now lie in it,