Definition of snotter:
(v) :
(intransitive) To snivel; to cry or whine.
(n) :
(Scotland) Snot; mucus.
(v) :
(colloquial) To smack; to hit
(n) :
(nautical) A rope going over a yardarm, used to bend a tripping line to, in sending down topgallant and royal yards in vessels of war; also, the short line supporting the heel of the sprit in a small boat.
(n) :
(UK, slang, obsolete) A handkerchief.
(n) :
(UK, slang, obsolete) A pickpocket who steals handkerchiefs.