an incompetent person; usually used in negative constructions
He's no slouch when it comes to baseball.
source: WordNet 3.0
a stooping carriage in standing and walking
source: WordNet 3.0
A hanging down of the head; a drooping attitude; a limp appearance; an ungainly, clownish gait; a sidewise depression or hanging down, as of a hat brim.
source: Webster 1913
verb
assume a drooping posture or carriage
source: WordNet 3.0
walk slovenly
source: WordNet 3.0
To droop, as the head.
source: Webster 1913
To cause to hang down; to depress at the side; as, to slouth the hat.