Wiktionary
a. (context slang English) Someone of a management level, as in a contemporary office hierarchy.
Usage examples of "in glass".
String was saved, bathwater was reused, and everything that ripened was preserved in glass jars that had been slowly emptied during the previous winter.
There is very little fuel and what is available is sold in glass jars at the side of the road.
The city was changing for the worse, and no amount of imaginative construction in glass and concrete could hide the fact.
There were fancy soaps in a fancy dish, perfumed creams in glass-and-silver jars.
Encased in glass, showcased in beautiful cabinets, gleaming on the walls were guns, knives, lasers, swords, pikes, maces.
He had substituted for other teachers in Glass Bead Game courses at various levels, even more frequently had helped the participants in such with reviews and drill.
If there was anything liquid, in glass jars or tins, they opened them and poured it out, though you had nothing but your hands or a cloth bag to hold it in.
There were cases faced in glass, and old things within, marked by plaques- with dates and printing on them.
So she delved back into the ancient records and found them in deplorable shape-- the original data had been stored in glass, but that was forty-two centuries ago, and no one had refreshed the data.