The Collaborative International Dictionary of English v.0.48:

Clawback \Claw"back`\, n.
   A flatterer or sycophant. [Obs.] "Take heed of these
   clawbacks." --Latimer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Clawback \Claw"back`\, a.
   Flattering; sycophantic. [Obs.]
   [1913 Webster]

         Like a clawback parasite.                --Bp. Hall.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Clawback \Claw"back`\, v. t.
   To flatter. [Obs.] --Warner.
   [1913 Webster]

WordNet (r) 3.0 (2006):

clawback
    n 1: finding a way to take money back from people that they were
         given in another way; "the Treasury will find some clawback
         for the extra benefits members received"