doggo
\ DAW-goh, DOG-oh \, adverb;
1.
Informal . in concealment; out of sight.
Quotes:
Others have walked 20 or 30 miles to freedom, lying doggo by day, bluffing past challenges at night.
-- Alan Moorehead, "Desert Tank Fighting," Life , January 19, 1942
He was lying doggo in a village about fifteen miles off, waiting to get a fresh gang together.
-- Rudyard Kipling, "Life's Handicap: Being Stories of Mine Own People ," 1891
Origin:
Doggo is thought to come from the word dog , alluding to the light sleep characteristic of that animal. The suffix -o is used in formation of slang terms. Doggo entered English in the late 1800s.
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