An adjective used to describe an objectively sexy or exceptionally attractive person—someone who is physically appealing, stunning or captivating; breathtakingly beautiful—ethereal.
A wave that breaks ideally, creating a tube for the surfer to ride in. The view from the inside of the curling wave resembles being inside a barrel made of glass.
"Surfing was sick today, no people at all, and glassy barrels all day"