"Pizened" is a word used in Harper Lee's "To Kill a Mockingbird". It is Southern-speak for "poisoned" and used on page 23 as Walter Cunningham tells Scout and Jem that Boo Radley almost poisoned him.
"Reckon I have," said Walter. "Almost died first year I come to school and et them pecans- folks say he pizened 'em and put 'em over on the school side of the fence." (Harper,23)
*"et" stands for "ate"