Webster's Revised Unabridged Dictionary · 1913

Scamp

Scamp (skamp) , noun

[Old French escamper to run away, to make one's escape. Originally, one who runs away, a fugitive, a vagabond. See Scamper.]

A rascal; a swindler; a rogue. — De Quincey

Scamp , transitive verb

[Compare Scamp,n., or Scant, a., and Skimp.]

To perform in a hasty, neglectful, or imperfect manner; to do superficially. [Colloquial]
A workman is said to scamp his work when he does it in a superficial, dishonest manner. — Wedgwood
Much of the scamping and dawdling complained of is that of men in establishments of good repute. — T. Hughes