Donkey with a pinned-on tail
I believe the answer is:
eeyore
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">donkey with a pinned-on tail</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for eeyore that I've seen before include "Gloomy donkey in Winnie-the-Pooh books" , "One of Pooh's friends" , "8's donkey friend" , "Christopher Robin's dismal donkey" , "Donkey, 19's friend" .)