Last but not least, Last ditch effort and Last hurrah are expressions. They begin with the word last.
A dime a dozen
down
C*nt
As useful as a lead balloon
All-star baseball players whose last names begin with M:Mickey MantleWillie MaysStan Musial
List all Mexican last names that start with P
Good-bye, Good-day, good-grief, good-heavens, good-on-ya (Australian), good times.
Frank and Funk are all I can think of, right now.
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All expressions combine numbers and operations!
All I can think of at the moment is Jonas.
All vague expressions are not ambiguous. The meaning of a vague expression may be clearly known, but the specificity is not.