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1.
SGU
Acronym. Suspected Grimz User.
Detective Scott Grim detained two known SGU's at the scene at 2177 Maple Street.
by Scott Grim December 29, 2009
 
2.
SGU
Short for Saint George's University.
St. George's University is a Caribbean Medical School and Caribbean Veterinary School with extensive medical, veterinary and graduate studies programs.

Located in the Caribbean island of Grenada.
My daughter is currently attending SGU in an effort to obtain her medical degree.
by debQ October 30, 2011
 
3.
sgu
Short for Stargate Universe.
A series made in 2009 abuot explorer's who has found an ancient spaceship.
Hey, are you going to watch the new Sgu friday?
by xIpoX November 07, 2009