Meaning

• A hanging down of the head; a drooping posture; a limp appearance

  "He sat with an unenthusiastic slouch."

• Any depression or hanging down, as of a hat brim.

  "The plant hung in a permanent slouch."

• Someone who is slow to act.

• An awkward, heavy, clownish fellow.

Meaning

• To hang or droop; to adopt a limp posture

  "Do not slouch when playing a flute."

• To walk in a clumsy, lazy manner.

  "I slouched to the fridge to see if there was anything to eat."

• To cause to hang down or droop; to depress.