I. slouch 1 /slaʊtʃ/ BrE AmE verb [intransitive]
[ Date: 1500-1600 ; Origin: Probably from a Scandinavian language ]
to stand, sit, or walk with a slouch
slouch back/against/in etc
Jimmy slouched back in his chair.
She slouched across the living room.
II. slouch 2 BrE AmE noun
1 . be no slouch (at something) informal to be very good at something:
Horowitz was no slouch at languages.
2 . [singular] a way of standing, sitting, or walking with your shoulders bent forward that makes you look tired or lazy