doggo

adverb

dog·​go ˈdȯ-(ˌ)gō 

chiefly British, informal

: in hiding to avoid notice or detection

—used chiefly in the phrase lie doggo

Lucan said that he would "lie doggo for a bit", and nothing has been heard of him in the past thirteen years.

—Julian Symons

… nuclear submarines can lie doggo for months on the ocean bed until the designated target comes within reach.

—Alain Jacob

Word History

Etymology

probably from dog entry 1

First Known Use

1886, in the meaning defined above