The story
Meaning "with an error of 180 degrees", i.e., a heading in the exact opposite direction from the correct one.
Etymology from Wiktionary, CC BY-SA 4.0.
one eighty out
Today it means: incorrect; false Full definition →
Today it means: incorrect; false Full definition →
Meaning "with an error of 180 degrees", i.e., a heading in the exact opposite direction from the correct one.
Etymology from Wiktionary, CC BY-SA 4.0.