The Collaborative International Dictionary of English v.0.48:
Kisser \Kiss"er\, n. 1. One who kisses. --Beau. & Fl. [1913 Webster] 2. the face or mouth. [slang] [PJC]WordNet (r) 3.0 (2006):
kisser n 1: someone who kisses [syn: kisser, osculator] 2: the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British) [syn: countenance, physiognomy, phiz, visage, kisser, smiler, mug]