\Col*logue"\, v. i. [Cf. L. colloqui and E. dialogue.
Cf. {Collocution}.]
To talk or confer secretly and confidentially; to converse,
especially with evil intentions; to plot mischief. [Archaic
or Colloq.]

      Pray go in; and, sister, salve the matter, Collogue
      with her again, and all shall be well.   --Greene.

      He had been colloguing with my wife.     --Thackeray.