slouch

v. to sit, stand, or walk with your shoulders and head dropped forward in a lazy way.

v. to adopt a drooping or limp posture while sitting, standing, or walking.

“Try not to slouch in your chair during the interview, as it looks unprofessional.”

“The teenager continued to slouch against the wall, appearing entirely indifferent to the principal's stern lecture regarding his recent absences.”

v. to walk in a slow, clumsy, or lazy manner.

v. to move or walk with a heavy, clumsy, or indolent gait.

“He slouched into the room and threw his bag on the floor.”

“After the defeat, the players slouched toward the locker room, their heads hanging low in disappointment.”

Informal

n. a person who is lazy or does not work hard; often used in the phrase 'no slouch'.

n. an awkward, lazy, or incompetent person; most commonly encountered in the idiomatic negative 'no slouch' to indicate high competence.

“She is no slouch when it comes to math; she finished the test in ten minutes.”

“Although he was new to the industry, he proved he was no slouch when it came to negotiating complex international contracts.”

Informal

n. a way of sitting or standing where your back is not straight.

n. a drooping or rounded physical carriage of the body.

“His permanent slouch was the result of years spent working at a low desk.”

“The physical therapist noted that the patient's habitual slouch was contributing significantly to his chronic lower back pain.”