scamp

/skæmp/
noun
  1. A child or person who is playful but often causes trouble in a harmless way.
    • The scamp drew a mustache on the poster when no one was looking.
    • He's a scamp, but everyone loves his sense of humor.
    • That little scamp hid my shoes as a joke.
Antonyms
verb
  1. To do something in a careless or dishonest way, especially to save time or effort.
    • He scamped the repairs, and the fence fell down again.
    • The builder scamped the job by using cheap materials.
    • Don't scamp your homework; do it properly.