'To sham Abraham' definitions:

Definition of 'To sham Abraham'

From: GCIDE

Sham \Sham\, v. t. [imp. & p. p. Shammed; p. pr. & vb. n. Shamming.]
1. To trick; to cheat; to deceive or delude with false pretenses. [1913 Webster]
Fooled and shammed into a conviction. --L'Estrange. [1913 Webster]
2. To obtrude by fraud or imposition. [R.] [1913 Webster]
We must have a care that we do not . . . sham fallacies upon the world for current reason. --L'Estrange. [1913 Webster]
3. To assume the manner and character of; to imitate; to ape; to feign. [1913 Webster]
To sham Abram or To sham Abraham, to feign sickness; to malinger. Hence a malingerer is called, in sailors' cant, Sham Abram, or Sham Abraham. [1913 Webster]