Green’s Dictionary of Slang

(US prison) to inform.

2000		Other Side of the Wall: Prisoner’s Dict. July 🌐 Weedy-Weedy: To snitch or provide information on someone.
2005		Prison Slang Mommyblogger mydogharriet.blogspot.com 23 Sept. 🌐 It may be difficult to get her friend to give the weedy-weedy on her.