Definition of slotch:
(n) :
(UK, dialectal) A greedy or sloppy eater; a glutton.
(v) :
(UK, dialectal) To eat or drink greedily with a loud noise; to glut; to lap up; to drink to excess; get drunk.
(n) :
(UK, dialectal) A drunkard, sot.
(n) :
(UK, dialectal) An idle, slouching fellow; a slovenly, slipshod person.
(v) :
(UK, dialectal, intransitive) To go about in a lazy, slovenly manner; to slouch, walk heavily, or be slipshod.
(v) :
(UK, dialectal, of shoes) To slip or flop due to being too large.