What is "collogue"

Collogue \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.

1590s (implied in colloguing) "to flatter, curry favor," which is of unknown origin; perhaps from French colloque "conference, consultation" (16c., from Latin colloquium) and influenced by dialogue.

vb. (context rare English) To talk privately or secretly; to conspire

v. confer secretly