Agerasia

agerasia (ayj-ur-ais-ia) noun: Exhibiting no signs of aging. Showing a youthful appearance not commensurate with old age.

"One sure way to avoid agerasia is to have a career in publishing."

Kench

kench (ken-ch) verb: To laugh really loudly. In recent times it has also become a semi-colloquial term for a bin to store fish guts. There are no known connections between the two.

"The publisher kenched in response to the author's request for an advance."

Hebephrenic

Hebephrenic (he-bee-free-nic) Adjective.

Exhibiting adolescent silliness or silly behavior.

"Editors are prone to fits of hebephrenic behavior due to their lack of maturity."

Accismus

accismus (ak-SIZ-muhs) noun:
Showing no interest in something while secretly wanting it. It's a form of irony where one pretends indifference and refuses something while covertly desiring it.

"Though we really wanted to sign the bigshot author, we played it cool and affected nothing but accismus."