v., n., & adj.
v. (shammed, shamming) 1 intr. feign, pretend. 2 tr. a pretend to be. b simulate (is shamming sleep).
n. 1 imposture, pretence. 2 a person or thing pretending or pretended to be what he or she or it is not.
adj. pretended, counterfeit. shammer n.
[ perh. north. dial. var. of SHAME ]