- boondocks (n.)
- 1910s, from Tagalog bundok "mountain." Adopted by occupying American soldiers in the Philippines for "remote and wild place." Reinforced or re-adopted during World War II. Hence, also boondockers "shoes suited for rough terrain," originally (1944) U.S. services slang word for field boots.
- boonies (n.)
- colloquial shortening of boondocks; by 1964, originally among U.S. troops in Vietnam War (in reference to the rural areas of the country, as opposed to Saigon).