Top Definition
semper I A play on the Marine Corps Semper Fidelis. Noun
Semper I, used to indicate selfishness, self-centered tendencies, a selfish indivudual or group; Adjective semper I, used to describe a person's actions as rugged individualist who disregards other opinions, property and ideas
As a Noun:
Semper I is his name. He was the semper I who walked all over her in the office to get the job

As an Adjective:
His was a semper I position, and he could not prevail.
As a semper I he volunteered simply for the glory
by Lloyd Winburn March 08, 2007

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