Almost the perfect place for a fling (5)
I believe the answer is:
heave
'for a fling' is the definition.
(I've seen this in another clue)
'almost the perfect place' is the wordplay.
'almost' means to remove the last letter (almost the whole word is kept).
'the perfect place' becomes 'heaven'.
'heaven' with its last letter taken off is 'HEAVE'.
(Other definitions for heave that I've seen before include "Lift or haul with great effort" , "Struggle to move" , "Pull hard; (sea) swell" , "Produce (a sigh); haul" , "Express" .)