Booby prize winner's place (4)
I believe the answer is:
last
'booby prize winner's place' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for last that I've seen before include "It's final for the cobbler" , "model of repair" , "Final; keep going" , "nowhere near winning Miss World?" , "part of Oxford's restoration with this?" .)