Mug? Setter had nothing to fill it (5)
I believe the answer is:
idiot
(Other definitions for idiot that I've seen before include "The - (Dostoievsky)" , "Oaf" , "Clot" , "Silly ass" , "Garret" .)
I believe the answer is:
idiot
(Other definitions for idiot that I've seen before include "The - (Dostoievsky)" , "Oaf" , "Clot" , "Silly ass" , "Garret" .)