The story
Derived from the insignia of an O-1 in the US Military, which consists of a single yellow bar.
Etymology from Wiktionary, CC BY-SA 4.0.
butter bar
Today it means: A second lieutenant. Full definition →
Today it means: A second lieutenant. Full definition →
Derived from the insignia of an O-1 in the US Military, which consists of a single yellow bar.
Etymology from Wiktionary, CC BY-SA 4.0.