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1.
GSL
An acronym for 'Global Starcraft League'. A blizzard recognized Starcraft Series Tournament League.
The new balance change patch will not dramatically effect GSL play.
by IIIHorseman December 12, 2010
 
2.
GSL
GSL - gym, sunburn, laundry. GTL fail.
I tried to get on my GTL today, but I failed and totally GSL.
by Lisa BeDisa April 18, 2011
 
3.
GSL
acronym for: 'Gold Star Lesbian' - in which a woman has never slept with a man, however has slept with other females.
sometimes i forget my girlfriend has slept with a man.. im a gsl
by GSL☆♥ May 01, 2011
 
4.
GSL
Ghetto Sign Language (GSL): a distant, distant, cousing of American Sign Language comprised of seemingly random, yet decidedly spastic gesticulation with the hands and fingers during rap performances, robberies, self aggrandizing monologuing, or everyday conversation.
"No Timmy, he's not having a seizure, he's using GSL."
by Chris January 14, 2006
 
5.
GSL
GSL=gorgor's sai lo
Gorgor's sai lo=siuman=piggy#2
by wileen November 10, 2003
 
6.
GSL
Gold Standard Laboratories.
Once upon a time, The Faint were on GSL.
by seujl November 25, 2007
 
7.
GSL
Used when someone laughs histerically at an moment.
Guy 1: So there is this guy, and his mum is a lesbian
Guy 2: LOLOLOLOLOL. omg omg LOLOLOLOL
Guy 1: GSL
by azz13 August 09, 2007