A kiss for someone inflicting punishment (7)
I believe the answer is:
smacker
'a kiss' is the definition.
(I know that kiss can be written as smacker)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for smacker that I've seen before include "Loud kiss -- PS1" , "pound" , "Loud kiss - GBP1" , "someone taking part in strike?" .)