Glass

Commonly used in science fiction as the act of destroying an entire planet through constant ordnance bombardment.

V. To use high-powered weaponry such as nuclear bombs on large populations

a term photographers use to refer to their lenses.

v. The act of breaking a glass upon the head of, or inserting a broken glass into the body of, another individual, usu. in a bar or nightclub and involving a lot of alcohol, somebody else's girlfriend or untoward eye contact.

slang term for a bowl (a glass pipe used for smoking weed)

to totally destroy something with REALLY big guns and stuff (representing the ground being heated and fused into glass)

transparent material often found in windows, refrigerated display cases for food and beverages, which, when it is used in a scene of a Steven Seagal movie, will cause a fight to occur and which will be shattered by human heads and bodies.

Surf term for the inside of a perfect pipe. To get glass is to (while shooting a pipe) to run your hand through the back of the wave to distrub the almost completely undisturbed curl of wave.

Glass in the common sense refers to a hard, brittle, transparent solid.