Definition of slouching in English:
 slouching
noun ˈslaʊtʃɪŋˈslaʊtʃɪŋ
The action or fact of standing, moving, or sitting in a lazy, drooping way.
 your grandma was right—slouching is bad for your back
adjective ˈslaʊtʃɪŋˈslaʊtʃɪŋ
Having or characterized by a lazy, drooping posture or movement.
 his peculiar slouching gait
 a slouching, rebellious teenager
  Definition of slouching in US English:
 slouching
nounˈslouCHiNGˈslaʊtʃɪŋ
The action or fact of standing, moving, or sitting in a lazy, drooping way.
 your grandma was right—slouching is bad for your back
adjectiveˈslouCHiNGˈslaʊtʃɪŋ
Having or characterized by a lazy, drooping posture or movement.
 his peculiar slouching gait
 a slouching, rebellious teenager