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1.
to be pumped or to be beasting on something or someone; excited or ready
Man#1: I'm gased, i want to lift already!
Man#2: Dang! you're a beast
by Jomike October 16, 2007
 
2.
In the state of being totally drunk
I was so gased last night!
I wish I was gased right now.
by D!CK SUCK3RRRRR July 13, 2008