slouch

US /slaʊtʃ/
UK /slaʊtʃ/
"slouch" picture
1.

stand, sit, or walk with a drooping posture

:
He tends to slouch when he's tired.
Don't slouch, stand up straight!
1.

a drooping or slouching posture or movement

:
He walked with a noticeable slouch.
Her constant slouch was affecting her back.
2.

an incompetent or lazy person

:
He's no slouch when it comes to coding.
Don't be a slouch, get to work!