Nasty guy (6)
I believe the answer is:
meanie
(Other definitions for meanie that I've seen before include "Ungenerous person" , "Small-minded type" , "Nasty piece of work?" , "Unkind person (informal)" , "nasty person" .)
I believe the answer is:
meanie
(Other definitions for meanie that I've seen before include "Ungenerous person" , "Small-minded type" , "Nasty piece of work?" , "Unkind person (informal)" , "nasty person" .)