To play possum
Also found in: Idioms.
|to feign ignorance, indifference or inattention, with the intent to deceive; to dissemble; - in allusion to the habit of the opossum, which feigns death when attacked or alarmed.|
See also: Possum
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.