What does that mean?

[Jubal]

effulgence - the state of being bright and radiant.

[Lady Grey]

Ebullient - joyously unrestrained.

[Jubal]

Tangalung - a Civet from the East Indies.

Picture:

Spoiler

[Lady Grey]

gainsay - contradict

[Jubal]

Yab-yum (Noun)
A common symbol in southern Asian art (himalayas/indian subcontinent) that shows a male deity having sex with his female counterpart, the male usually being in the lotus position with the female in his lap.

Yay for looking up random crap in a dictionary. 

[Othko97]

Mammothrept

A child who is raised and spoiled by their grandmother

[Jubal]

Tatterdemalion (Noun)

A person dressed in ragged clothes.

[Glaurung]

Nebuchadnezzar
A wine bottle size containing 15 litres (20 standard bottles). From the biblical King of Babylon.

[comrade_general]

Rhinotillexomania.

Compulsive nose picking.

[Jubal]

Arcology (Noun)

The field of study pertaining to creating densely populated, low ecological impact human habitats, or an actual structure abiding by such principles.

[comrade_general]

I thought it was supposed to start with the last letter of the previous one.

[Jubal]

Yes, I forgot the rule, fixed now (and sorry, next person gets "Y" again!)

[comrade_general]

Yaff.

To bark like a snarling dog.

[Jubal]

Fescennine (adjective)

Obscene/defamatory/scurrilous. From the Etrurian town of Fescennia, which was apparently famous for the creation of songs/poems of such a nature.

[Tusky]

Ephemeral

Lasting for a short time