To strike with a clenched fist.
What think ye? They answered and said, He is guilty of death. Then did they spit in his face, and BUFFETED him; and others smote him with the palms of their hands, saying, Prophesy unto us, thou Christ, Who is he that smote thee? ( Matthew 26:66-68 )
Bibliography Information"Entry for 'Buffet'". A King James Dictionary.