Big finish (4)
I believe the answer is:
bang
(Other definitions for bang that I've seen before include "Sound of a gunshot" , "Fringe - report" , "Straight fringe of hair" , "Vigorous blow" , "drug injection" .)
I believe the answer is:
bang
(Other definitions for bang that I've seen before include "Sound of a gunshot" , "Fringe - report" , "Straight fringe of hair" , "Vigorous blow" , "drug injection" .)