heady glass 

usually used to describe ( more commonly a bong) glass smoking paraphernalia that is high-end in quality & crafted in a creative manner.

"Dude, check out this heady glass, it's got flowers blooming off of it & sh*t."
"Sabretooth is one of the top proprietors of heady glass in the US."

heady glass by Gracebee April 22, 2018

glass head 

Someone who is addicted to buying glass ware for smoking (I.e. Glass pipe, glass bong, or glass bubbler)

Tom is such a glass head he has four bongs two bubblers a rig an 5 pipes

glass head by Magic of psychedelics February 10, 2014