(Verb.) To get high out of your mind and have glossy eyes; act of obtaining glossy eyes through smoking.
(Noun.) The combination of getting blazed, getting high, and having glossy eyes afterwards. G (for glossy) H (for high/hash) and ayzed (for blazed). This word is generally used by true bros that enjoy blazin on a daily basis.
Beck - "Dude, what the fuck happened last night?"
Cody - "We had some slampieces over and started gettin twisted. You shoulda seen yourself, you were so ghayzed!"