The act of brutally penetrating a person's anus with immense speed leaving behind a sandy texture and a dusty haze. Duning originates from Mongolia and anything except Jigglypuff can be duned.
"If these filthycasuals keep talking shit, someone's in for a rough duning session"
Brought to public attention by Bob Woodward and Carl Bernstein in the book on the fall of Richard Nixon, All The President’s Men, ratfucker was Nixon’s term for a political operative who sows chaos among opponents; an agent provocateur. It is thought to have originated among campus political rivalries at USC, and seems to have some usage in the US military.
Along with Nixon’s other ratfuckers, Roger Stone caused fights at otherwise peaceful Democratic Party protests to generate a false narrative that the Democrats were violent and dangerous.