muck·rake (mŭk'rāk') intr.v.
muck·raked, muck·rak·ing, muck·rakes To search for and expose misconduct in public life.
[From the man with the muckrake, tool for raking muck, who cannot look up to heaven because he is so obsessed with the muck of worldly profit, in Pilgrim's Progress by John Bunyan.] muck'rak'er n.