Mouth (informal) (6)
(Other definitions for kisser that I've seen before include "Skiers (anag.)" , "Casanova" , "Mouth (sl.)" , "Slangy face of osculatory origin" , "Amorous type" .)
(Other definitions for cakehole that I've seen before include "Echo leak (anag) - gob" , "Mouth (slang)" , "Gob (slang)" , "What a doughnut might have" , "Chops" .)