Singular dislike, having hit parking light (6,4)
I believe the answer is:
sodium lamp
'light' is the definition.
(I've seen this before)
'singular dislike having hit parking' is the wordplay.
'singular' becomes 's' (abbreviation sometimes used in dictionaries).
'dislike' becomes 'odium' (I've seen this in another clue).
'having' means one lot of letters go next to another.
'hit' becomes 'lam' (to 'lam' means to hit hard).
'parking' becomes 'p' (abbreviation on road signs).
's'+'odium'+'lam'+'p'='SODIUM LAMP'
(Other definitions for sodium lamp that I've seen before include "Type of street light" , "Yellow light" .)