Caligula, say (7)
I believe the answer is:
emperor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">caligula say</span>' is the definition.<br/ ><span class="explanation-format__explanation">(Caligula was a Roman emperor)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for emperor that I've seen before include "Eg, Caesar" , "Largest type of penguin" , "Purple --; -- penguin" , "noted by Beethoven" , "Absolute ruler" .)