pronounced guh-la-ow. glau means to have attained a great amount of deliciousness. mostly used by potheads to describe the sandwich they just ate or the brownies they had.
pothead #1: dude, that sand-o was totally glau!
pothead #2: have you tried those glau brownies?!
pothead #3: food is glau.
by scottimus February 8, 2006
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A fantastic actress and stunningly beautiful young woman, she is known for playing River Tam on the show Firefly and in the movie Serenity, and for playing the reprogrammed Terminatrix Cameron, who is the bodyguard of teenage John Connor on the hit FOX show Terminator: The Sarah Connor Chronicles.
Person 1: Summer Glau is so freaking hot!

Person 2: Me too! I love her!
by IHeartTheBlackParade June 23, 2009
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The beautiful and talented actress who is best known for her depictions of River Tam in Firefly and Cameron Phillips in Terminator: The Sarah Connor Chronicles.
Summer Glau seems to be intelligent as well as beautiful.
by Dagger33 February 14, 2009
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