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1.
Short for "good luck".
Her: "I have a presentation today"
Him: "glgl"
by thisbetom November 01, 2012
 
2.
the replacement acronym of the overused LOL. Stands for "giggle". Be part of the revolution and the abolishment of the current online language. Down with LOL, up with GLGL
GayScreenName69 7:02 pm: So I told him, that's not a prostitute, that's my mom.

Mr.FuzzyNuts 7:03 pm: glgl
by Voice of the Revolution July 20, 2008