"U Suckers Miss(ed) Christmas” is a backronym (back acronym) of “USMC” (United States Marine Corps). “U Suckers Missed Christmas” has been cited in print since at least February 1991.
Other backronyms of “USMC” include “Uncle Sam’s Misguided Children” and “U Signed the Motherfucking Contract.” Popular “Marine” backronyms include “Muscles Are Required, Intelligence Not Essential” and “My Ass Rides In Navy Equipment.”
25 February 1991, Miami (FL) Herald, “‘We’re all scared,” soldier’s mother says,” pg. 1B:
The joke among Aristondo’s fellow Marines then was that “USMC” meant “U Suckers Missed Christmas,” said Aristondo’s fiancee in Miami, Nikki Moustaki.
17 December 1992, Dallas (TX) Morning News, “Reason to Hope: Military convoy amazes Somalis; troops see devastation up close” by Ed Timms:
... said Marine Sgt. Mark Movel, 29, who lives in Queens, NY: “U-Suckers-Missed Christmas again.”
27 December 1992, Chicago (IL) Sun-Times, “No Recess for Rosty As Subpoenas Served” by Theresa Walla, pg. 10:
“"USMC? It stands for You Suckers Miss Christmas.”
The Gift of Hope
By Lara Marlowe/Baidoa Monday, Dec. 28, 1992
USMC, they say, stands for “You Suckers Missed Christmas.”
Google Groups: rec.humor
USMC = Uncle Sam’s Misguided Children
USMC = U Suckers Missed Christmas
Blue Star in My Window
By Catherine DePew
Xulon Press (XulonPress.com)
I told Vanessa what Kenton said USMC meant: “You Suckers Miss Christmas”; and she laughed.
Joke - The battle of acronyms
by Army Man
May 05, 2008 02:09 PM EDT
Muscles Are Required Intelligence Not Essential
My Ass Rides In Navy Equipment, Sir!
My Ass Really Is Navy Equipment
Uncle Sams Misguided Children (USMC)
U Suckers Missed Christmas (USMC)
Uncle Sam’s migrating Chimpanzees
USMC - u suckers missed Christmas
2:18 AM - 5 Dec 12