Eccentric type (6)
I believe the answer is:
weirdo
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">eccentric type</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for weirdo that I've seen before include "Strange person (colloq.)" , "Unpleasantly strange or eccentric person" , "Nutcase" , "Crank - oddball" , "Person who behaves bizarrely" .)