(US prison) contraband hidden in the rectum.
|Other Side of the Wall: Prisoner’s Dict. July [Internet] Boof: Contraband concealed in the rectum.|
|Corruption Officer [ebk] cap. 19: After having the inmate searched, drugs were found in between his butt cheeks as he was attempting to commit an act called boofing. Boofing is when an inmate secretes a hidden item from inside of his rectum.|