Drily humorous (3)
I believe the answer is:
wry
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">drily humorous</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for wry that I've seen before include "Of humour, dry and mocking" , "Of humour, humorous and mocking" , "Crooked - droll" , "Twisted; sardonic" , "Perverse" .)