do (one's) duty

(redirected from do her duty)

do (one's) duty

1. To do, undertake, or accomplish that which is expected or required from one. I know it isn't easy facing off against the lowlifes of this town, but you're on the police force and you have to do your duty.
2. To urinate or defecate, especially a house pet. I hate standing out here in the cold, waiting for the dog to do his duty.
See also: duty
References in classic literature ?
Then, as usual, she felt ashamed of her selfish thoughts and prayed inwardly to be strengthened to do her duty.