by cleaning up their mess
and then complaining about cleaning up their mess
( TopUpTheTea you ain't seen me, right?, Mon 11 May 2009, 20:10, archived)

Just complain about their mess.
Over and over and over and over and over and over until eventually they clean up their mess and refuse to talk to you ever again (in my example this is a good thing).
( Master Of Turnips. Only gays and morons believe in ghosts., Mon 11 May 2009, 20:11, archived)