disclamer: I do not own any of these terms I merely came up with definitions based on use and descriptions in the books.
Shuck [shuk]
noun
1. A term used by gladers to refer to one another, it is often used as a motivational term to get people working.
2. An insult used in anger by gladers to refer to members of WICKED or people who have broken the rules of the gladers.
Greenie [gree nee]
noun
1. A new glader, (Originally: the last person to be brought to the glade in the box).
2. Someone who has been a glader for less than a month. (Sometimes used in shuckface)
Slinthead [slint hed]
noun
1. An insult used by gladers comparable to 'idiot'
2. A term used to describe a glader who asks to many questions rather than figure things out for themselves.
Greiver [gree vuhr]
noun
1. A metallic creature with spikes and arms, ending in various tools, that poke through its layer of flesh
The flare [tha flayr]
noun
1. An illness that causes people's mind and body to slowly deteriorate.
2. A solar flare that ravaged the earth fourteen years before the events of the trilogy.
Crank [kraynk]
noun
1. Someone infected with the flare at any stage of the disease.
2. Someone in the area near the equator that was hit hardest by the flare.
The changing [tha chaynj ing]
noun
1. A disease caused by being stung with a griever spike, symptoms include weakness and loss of energy the only known cure is the grief serum.
Grief serum [greef sirim]
noun
1. The cure for the changing its side effects include incredible pain, temporary mental instability and partial (sometimes progressive) restoration of lost memories.