What's the difference between kisser and pisser?

Kisser

Definition:

• (n.) One who kisses.

Example Sentences:

• (1) He best be careful out there, because one of these days, POW, RIGHT IN THE KISSER!
• (2) Sue: Are you sure it’s not just because Elizabeth is a bad kisser?
• (3) This gene was fused with shuttle plasmid PIJ666-PAL5000 obtained from T. Kisser and transfected to M. bovis BCG (Tokyo).

Pisser

Definition:

Example Sentences: