rat
n.β Β«State officials who are seeking to find pork-filled amendments say they are currently on “rat patrol.” Legislators sometimes disagree whether a bill is a rat or simply represents an effort to help someone who has been genuinely wronged by the system.Β» ββSpecial deals have some legislators on βratβ patrol” by Christopher Keating Hartford Courant (Conn.) June 13, 1993. (source: Double-Tongued Dictionary)