Definition of slouches:
(v) :
(intransitive) To hang or droop; to adopt a limp posture
(v) :
(intransitive) To walk in a clumsy, lazy manner.
(n) :
A hanging down of the head; a drooping posture; a limp appearance
(n) :
Any depression or hanging down, as of a hat brim.
(n) :
Someone who is slow to act.
(n) :
(dated) An awkward, heavy, clownish fellow.