stuffer
n.— «The European record for a so-called “stuffer’‘, a courier who conceals drugs inside their body, is credited to a trafficker in England who grimly held out for 38 days before giving into the forces of nature. » —“On the smugglers’ trail” by Barry O’Kelly Sunday Business Post Online (Dublin, Ireland) Feb. 13, 2005. (source: Double-Tongued Dictionary)