From The Collaborative International Dictionary of English v.0.48:
Scamp \Scamp\, v. t. [Cf. Scamp,n., or Scant, a., and
Skimp.]
To perform in a hasty, neglectful, or imperfect manner; to do
superficially. [Colloq.]
[1913 Webster]
A workman is said to scamp his work when he does it in
a superficial, dishonest manner. --Wedgwood.
[1913 Webster]
Much of the scamping and dawdling complained of is that
of men in establishments of good repute. --T. Hughes.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Scamp \Scamp\ (sk[a^]mp), n. [OF. 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.
[1913 Webster]