latin word meaning "always faithful" also the moto of USMC (the greatest fighting force ever constructed)
once a mairne, always a marine. semper fidelis. always faithful.
by !USMC2010 March 25, 2010
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The unofficial bastardized Latin motto of many organizations, particularly military units. "Semper", of course is the Latin word for "always". "Gumbi" refers to Gumby, a TV character made of clay. Thus, Semper Gumbi is translated as "Always Flexible."
G.I. Joe: "We were supposed to go back home a month ago but these Iraqis can't get their stuff together. Now we have to stay indefinitely."

G.I. Jack: "There's no use crying about it. Just suck it up and remember - Semper Gumbi."
by the.puppet.man August 8, 2006
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Usually in the Marine Corps, semper fucked meaning that you have been shit on with a list of things to do, or got some really bad news again.
Damnit my recruiter said I wouldnt go to iraq even though im an 0311, Semper Fucked.
Or god damnit the LT is making me do this shit again, Semper Fucked
by Lcpl_Todd January 21, 2009
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Semper Fidelis is a march written by John Philip Sousa in 1888. Sousa was known as the American March King, a member of the United States Marine Corp Band, he wrote this march which became the official march for the Marine Corp. He also wrote Star and Stripes Forever the national march of the United States of America.
Semper Fi Semper Fidelis
by bandmember July 4, 2013
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Semper Fi, adopted in 1883, is the U.S. Marine Corps motto. It's short for Semper Fidelis, which is latin for "Always Faithful." To many Marines, Semper Fi, is not just a phrase but a way of life-the commitment that they all share to their community, to their Corps, and to eachother. It's why there are no ex-Marines, only former Marines.
Cesar: I love the Marine Corps so much, that I got a tattoo of their emblem.
Josh: Semper Fi!
by Qbansnowman November 19, 2005
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if you hear Semper Fi and your at war with America, your probably going to die.
by studyvin August 28, 2012
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"The motto of the Marine Corps is Semper Fidelis, Latin
for "always faithful" .Until 1871 it was "First to Fight",
a motto that still applies. Through the years, Marines have
shortened it to Semper Fi, and "Semper Fi, Mac" is the universal
Marine Greeting."
"SemperFi,DoOrDie!GungHo,GungHo,GungHo!WhatMakesTheGrassGrow?Blood,Blood,Blood!WhatDoWeDoForALiving,Ladies?Kill,Kill,Kill!" .
by Joe December 11, 2003
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