Fire lighter (8)
'fire lighter' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for spill that I've seen before include "Cause liquid to overflow" , "Thin piece of wood used to light a fire" , "Waste from container" , "Splatter" , "Let fall accidentally - lighter" .)
'fire lighter' is the definition.
'arsonist' can be an answer for 'lighter' (I've seen this before). I also know that 'fire' relates to this answer.
This is all the clue.
(Other definitions for arsonist that I've seen before include "Incendiary, firebug" , "Fire raiser" , "A major criminal" , "Pyromaniac" , "Criminal fire-raiser" .)