Lexicon of Politics: Day 53

rat-kissing n. sabatage; (hence) the act of distrupting the opposition. Also rat-[explicit], and rat-[explicit].

1928 Nason Sgt. Eadie 110 [ref. to 1918]
This time to-morrow, Jake, I'll be with my own outfit and that's the only ray of sun in my black sky at present. All other troubles fase when I think of that. No more of this rat-kissing.
oxford dictionary of american political slang
[so, all the other examples are explicit. But they've been uttered or written by the likes of Woodward, Bernstein, and Gordon Liddy. )