Light hit lover with force on head (8)
I believe the answer is:
flambeau
'light' is the definition.
(flambeau is a kind of light)
'hit lover with force on head' is the wordplay.
'hit' becomes 'lam' (to 'lam' means to hit hard).
'lover' becomes 'beau' (beau is a kind of lover).
'with force' becomes 'f' (symbol used in Physics e.g. f=ma. I am not sure about the 'with' bit.**).
'on head' means one lot of letters go next to another.
'lam'+'beau'='lambeau'
'lambeau' after 'f' is 'FLAMBEAU'.
Can you help me to learn more?
(Other definitions for flambeau that I've seen before include "Torch; candlestick" , "One may be burning" , "Flaming torch" , "Old blazer" , "Burning torch" .)